Why Learn Figured Bass? - Music Theory

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- Hi, I'm Gareth Green, and in this video we're going to be trying to answer the question: Why learn figured bass? Figured bass, of course, is a baroque thing used in baroque music between 1600 and 1750, approximately. And at one level, it's a kind of musical shorthand. Often, the composer of a piece of music would also play the keyboard instrument, often the harpsichord, sometimes the organ, particularly if it was church music. And because the composer had written the piece, well, he or she kind of knew how the piece went, I suppose, so why bother writing out all the notes of the keyboard part? It was just more writing to do when you could kind of do a musical shorthand like the piece of music that I've just put together to be used for this video. It's much quicker. You just write the bassline and then you put some numbers below the bass notes that tell you what the chords are. Now later on, we kind of moved on to this Roman numeral system, but that was really more kind of musical analysts wanting to label chords and do something slightly different like tell us which chord we're using in a particular key and show us when the music modulates from one key to another. What you've got with figured bass is something much more practical. They're not trying to analyse the music. This is just so that people could play it. And if you understand the figured bass and you are a keyboard player, it's great fun actually to play figured bass from the original. Just look at the bassline, look at the numbers, and work out how you want to organise the chords and ultimately how you can kind of embellish those chords a bit and make the music sound quite stylish and exciting. But let's start at a slightly more basic level and see if we can understand how all this works. And also, so that even if you are not a keyboard player but you may be somebody who's involved in baroque music a bit, at least you can understand what the figured bass is telling you, which might be quite a useful thing to know about. I think the other thing about figured bass is that it helps us to think in terms of chords as intervals above a bass note. We tend to think of chords in a Roman numeral system, you know, I, II, III, IV, V, VI, VII. We think of them as triads and how those chords are kind of laid out. Or we think of chords kind of lead sheet style, you know, it's a chord of C or an F seven chord or something. But actually, figured bass is helping us to think about, well, what are the notes of the chords in terms of intervals above the bass, so it's another very useful way of thinking about chords. And my little theory on all of this stuff, for what it's worth, is if you can read your chords from Roman numerals and you can read your chords in terms of lead sheet presentation, and you can read your chords in terms of figured bass, actually that's the best way to really get a grip on reading chords. So once you start thinking that way, doesn't even matter if you're not a keyboard player or even if you're not into baroque music, it's a third way of understanding chords so that you become really fluent in them. Anyway, brief explanation of how this figured bass system works, because you'll notice just looking at this piece of music that sometimes we've got numbers and sometimes we've got nothing at all. It's just kind of blank. So when we see a blank, what do we do? Just play the bass note? No. Because figured bass also uses a kind of shorthand system. The basic figured bass system is dead straightforward. If we look at this first note, C, and say we had the numbers 5-3 under that, all that's telling me is play the fifth note above C and the third note above C, all as a chord. So play C in the chord, a fifth above it is G, a third above it is E. Ah, now then, we might know that as chord I in the key of C, or we might simply know it as a chord of C. Once you've got your basic triad, well, you don't have to play it like that. You can say, well, those are the notes of the chord. And even though I must have C at the bottom because that's what the music's telling me, I can organise this C, E, G in any way I want to and in any number of parts. I could just say, well, I'm just going to play two C's and the E and the G are implied. Or I could say, I'll play those two C's and I'll put an E in there, because I don't necessarily have to play the G, or maybe somebody else is playing the G. Or I could put all the notes of the chord in. Or I could space it in some other way. You get the point. So as long as I'm using C, E, and G in some kind of formation and I'm using the written C as the lowest note of the chord, well, I'm away. Okay, now, if we put numbers under every single note, as a player, you'd go bit kind of cross-eyed, wouldn't you? Just looking at numbers coming at you all over the place. And that's why we've got into this very ingenious system of abbreviations, and we'll come back to those in a minute. But let's just go through what's going on. In figured bass, any 5-3 chord is always a root position chord. So that's what we've just been looking at, isn't it? We've been thinking about C in the bass with 3 and 5 above it. Well, that's a C major chord in its root position. Any 6-3 chord is a first inversion chord. Okay, let's have a little think about what that might mean. Okay, so instead of having C in the bass, say I've got E in the bass. Okay, so if I put 6-3 above E, well a sixth above E is C and three above E is G. Oh, so still a C major chord, isn't it? But now it's in first inversion. Okay, if I have 6-4, a 6-4 chord is always in second inversion. Let's have a little think about that. So say I've got G in the bass and I put six and four above it. Well there's G, six above it is E, four above is C. Oh, it's C major again, but this time it's in second inversion. So any 5-3 chord is a root position. Any 6-3 chord is a first inversion. Any 6-4 chord is a second inversion. Now I think that's quite useful generally to think actually in terms of intervals above a bass note. A fifth and a third, always root position. A sixth and a third, always first inversion. A sixth and a fourth, always second inversion. So even if you're not the blindest bit interested in figured bass baroque music and playing a keyboard instrument, actually this is all still quite useful, isn't it, because it's making you think ah, yeah, absolutely. Okay, now because these chords come up so much, there's a certain amount of abbreviation that goes on. So 5-3, root position, well there are more root position chords than anything else in the universe, so we abbreviate that to nothing at all. So if it's completely blank, no numbers at all, it's a 5-3 chord. So that's why that is a 5-3 chord, that's a 5-3 chord, that's a 5-3 chord. You see how many of these there are in a piece of music. So anything that's got no numbers at all, is just left blank, is a 5-3 chord. After the 5-3 chord, the root position, the first inversion chord is the next most common thing. So what do we do then? We write 6. So 6 is the abbreviation of 6-3. So we can immediately see that that means 6-3. It's a first inversion chord. That means 6-3, it's a first inversion chord. So you see how that goes. When it comes to second inversions, they are the least common. You'll get many root position chords. You get quite a lot of first inversion chords. You get far fewer second inversion chords, so that one we write in full. You see, because it's a less regular visitor, well, we can afford to write that one in full without blinding people with numbers. And you notice in the eight bars that I've presented here, actually, we've got lots of root position chords, we've got a few first inversion chords, we haven't actually got any second inversion chords. So that's not completely untypical. In baroque music, you tend to get your basic chords that we've talked about, the triads in root position, first inversion, and second inversion, and then the other main thing you need to know about are the seventh chords. So if you have a seventh, a dominant seventh or a supertonic seventh or something, well, you'll find that that works out as 7-5-3. Let's think about that for a moment. Say I've got G in the bass, I'm in the key of C, and I see 7-5-3. Well, there's G, three above that is B, five above that is D, and seven above that is F, so that is a seventh chord. It could be any seventh, but it's a seventh chord in root position. And guess what? It comes with an abbreviation. Its abbreviation is 7. Now, why do I do that? There's logic in this. 5-3 we leave blank, don't we? So 7-5-3 is kind of 7 blank. Much easier just to see 7 and think that's a 7-5-3 than to look at three numbers, 7-5-3, you know, it's like trying to memorise phone numbers or something. You know, you haven't got time to do it in a hurry, have you? So that's what a 7-5-3 does, it's always a seventh chord in root position and you just abbreviate it by writing a 7. So you can see we've got an example of that here where we've got D in the bass. So you take that D and you think three is F, five is A, C is seven. So that's a supertonic seventh in C major, or a II7, or a D minor seven, whichever way you want to think about it. Okay, well let's now think about what happens with the inversion of these seventh chords. Okay, so what happens if I want to write a seventh chord in first inversion? Now then, what does that work out? You can probably work out the numbers just by thinking this through, but it works out as 6-5-3. What's the abbreviation for 6-5-3? 6-5. Okay, there's a kind of logic in it, isn't there? You can't call it 5-3 because 5-3 means something else. It means a root position chord. You can't call it 6 because 6 means a first inversion. So if you're going to abbreviate 6-5-3, the only sensible abbreviation is to go for 6-5. Okay, what happens if I put a seventh chord in the second inversion? Well, again, if you think about the chord, you can probably work out what the numbers are going to be. Well, if I say put it on D, I put a 5-7, a G seven in the second inversion, D, F, G, B, well that's giving me a 6. You see that B is a 6, the G is a 4, the F is a 3. And so how am I going to abbreviate this? I'm going to abbreviate it 4-3. Again, you can see the logic. You can't abbreviate it 6, because that means ordinary triad, first inversion. You can't abbreviate 6-4 because that's ordinary triad, second inversion. So 4-3, that's the only place you can go isn't it, really? And then we can also have a seventh chord in the third inversion. There's an extra inversion because there are four notes in a seventh chord. So if I go F, G, B, D, that's the third inversion of that G seven chord. So what have I got above the F now? Well, I've got a 6, I've got a 4, I've got a 2, so this abbreviates 4-2. Okay, so it's just a question of sort of knowing your way around those chords and knowing your way around the abbreviations. But I don't think they're too bad, are they really? And then that sort of tells you basically what you need to know about particular chords. Now, of course, there are other things that happen along the way. For example, say you want to have a chord but you want a note to be sharp or a flat. Well, it's quite easy just to put a flat alongside a number. So say when we come to this chord, you didn't really want it to be E, G, C, which is what that 6 is telling you because it is telling you it's this, which is this, so it's E, G, C. But say you wanted to have a B-flat in there. So you wanted to put a 5 in there with a flat. Well, you know know you can add a 5 and call it 5-flat or flat-5. You see either of those things written as well. So if you have a sharp or a flat alongside a number, it's telling you that that number, that interval above the bass, is sharp, or flat, or natural, or whatever it is. If you just see an accidental on its own, it's not that the composer's forgotten to write the number. An accidental on its own always refers to the third of a chord. So when we come to this point in the music, we've got E in the bass, and it's effectively blank, isn't it? So it must be a 5-3. So five above E is B, three above E is G. But because we see that sharp sign, it's not alongside a number, so it's always the third. So it's G-sharp, so it's E, G-sharp, B. And that's particularly useful when the music changes key, which is what's happening here. So there are things like that going on. You sometimes find things like suspensions going on. So what about this? 4-3. Often suspensions are indicated by little dash, as well, and it's just saying in one of the parts, we're going to go 4 above that written G to 3 above the written G. The fact that the bass jumps an octave doesn't matter. They're still both G's. So that's what we call a suspension. So if you're familiar with suspensions, that's great. If you're not, you might just want to mug up on suspensions. But they basically have three stages: prepare, sound, resolve, so P, S, R. P must be a note that's consonant with the first chord. R must be a note that's consonant with the last move, the third move of this. S is dissonant with the chord. So there are two chords, one for P, one for R. S is a dissonant note. The note for P must be the same as the note for S. So if S in this case is 4 above G, well that's the note C. So you have to have the note C on the previous chord where you've got P there. So C must be sounding as part of that P chord. And you'll think, well, hang on a minute. If that's 7, 7-5-3 above D, well the seventh is C. So then you'll play the C again when you come to S for the 4. And then that C steps down one note to B, which is the 3 above the G, hence 4-3. So that's telling us about a suspension. It's a baroque way of kind of ornamenting notes. Sometimes we know those as sus chords these days, but the sus chord effectively in the baroque was always prepared. The note of the sus always came on the previous note. So there's an indication of a suspension there. And here you'll see we've got some of these seventh chords. You see that 6-5? Well, that's this one, isn't it? So it's a 6-5-3, seventh first inversion, and a 4-3 is another seventh chord in second inversion. So you see how we get on with that. So the thing is to kind of get used to what these numbers are telling you and then see if you can work out the chord. So you might start by doing something very basic. So you might start with the first chord and think, all right, that's 5-3, C, E, G, great. This one's 5-3, so G, B, D, and that's great. This one's A, so 5-3, A, C, E. So you can kind of get the first three chords. Once you've got the first three chords, you won't particularly want to play them like that, so then you could experiment and think how can I kind of play those? Or. Find different ways of doing it. And often it works quite well to put three notes in the right hand and just play the bass with the left hand. You don't have to do that, but it's sort of better than having lots of clunky notes close to each other in the left hand and then maybe one note octaves above in the right hand. So think three plus one, or sometimes two plus two maybe, but three plus one is much better than one plus three. So you can kind of work out what you're doing with those first three chords. And then you think, ah, now then, I've got to think about a first inversion chord. That 6 is a 6-3, so I've got E in the bass, so E, G, C, that's my first inversion chord. Then I'm back to a root position, F, A, C, so that's all right. Then I've got another first inversion chord, so D, F, B, that's my 6-3. And then I've got this chord with a raised third, so it's a 5-3, but the third is raised. So E, G-sharp, B. And then you start to think, oh, looks like we might have modulated from C major to A minor, the relative minor. So you kind of see things that we perhaps already know and love about how harmony works in modulation and so on. We go on to the next note, it's a 5-3, so A, C, E. Then we've got this rather nice seventh chord. So remember it's this one, so it's a 7-5-3, a seventh in root position, so D, F, A, C. So you see what's happening there? And then we've got to deal with this 4-3 thing. Well, it might be easier to think about this one first because the 3 is only there because the 4 is progressing to 3. Otherwise, that's a 5-3 chord. So it's a G, B, D chord, isn't it? But we've got this fourth here, so it's part of the 5-3 thing, but the 4 is going to 3. So you can hear that 4 being dissonant, resolving. So remember we had this P, S, R situation, so we've got to have C there, C there, B there. So you could go. That would work, or. However you want to organise it, as long as it's going C, C, B, in the same part, you're in business. And then we're going on to our seventh chords in these different inversions. We've got 6-5, so that's this one, 6-5-3, seventh in first inversion. So B, D, that's the 3, F is the 5, G is the 6. Then we're going on to 4-3, which is this one, 6-4-3, seventh chord second inversion. So we've got the D, F, G, B and then we're back to a 5-3, C, E, G. And you can see we've gone from C major to A minor and then we've come back to C major again. Now, once you've kind of got used to, oh, can I work out what all these notes are, then it's a question of sort of trying to string it together. So you could just kind of think, okay, what would be the best way to present each of these chords? It's another really good thing about figured bass. Not only do you get equipped with figured bass, but it makes you think what's the best way to space a chord, and can I get a feel for how many parts would be good to use or what the texture might be? And that's kind of useful in all sorts of musical endeavour, isn't it? Improvisation, composing, and all the rest of it. And just seeing how composers lay out chords in a score. So if we start trying to put this together then, let's work through this piece of music. We've got 5-3, 5-3, 5-3, 6-3, 5-3 with a raised third, 5-3, 7-5-3, a 4-3 suspension, 6-5-3, 6-4-3, 5-3. That gives me the chords. And so then you are sort of trying to think, okay, is my right hand leaping all over the place? I mean, you don't particularly want to do this. Something like that, because we're leaping all over the landscape then aren't we? So it's kind of thinking, are there common notes? In other words, is there a note in this chord that also comes in the next chord? Can I keep that in the same part? Can I keep parts moving by step as I go from one chord to the next so it doesn't sound too disconnected? Then of course you can embellish it a little bit. You can use passing notes, neighbour tones. You can use auxiliary notes, passing tones, all these things. So, I mean, anything that's going to decorate the whole thing a little bit. You see? So just a little bit of decoration there and we started to bring it to life. Then you can think, well if it's a baroque piece, try to get a bit more baroque figuration, a bit more baroque style. One thing I've always loved about playing figured bass in baroque pieces is that normally you're playing in some kind of orchestra or playing with a choir or something. You can see other things going on in the score and hear other things going on. And maybe you've got an oboe melody that comes to an end and then there's nothing much happening but you are playing a chord and you can kind of echo the end of the oboe melody in the way you decorate the chord. So things like this, or kind of preempt the start of the next phrase so you can kind of join things together a bit. And then you think, I bet Handel or Bach, whoever wrote this, did this kind of thing when they were realising, as we use that word realising, the figured bass. So I think it's great fun actually playing figured bass, but I think it's also incredibly useful for the reasons that I've described. So I hope you find that a helpful way of engaging with figured bass and it kind of gets you into figured bass, whether you are interested in baroque music or not, whether you're a keyboard player or not, and as another way of thinking about chords. Well, if you've enjoyed this video, please go to our website, www.mmcourses.co.uk. Loads of resources for you there. If you click on Courses, you'll discover all sorts of courses on music theory, on harmony, composition, analysis, orchestration, a whole load of things going on there, so that might well be of interest to you. If you go back to the homepage, you can click on Maestros, and that will tell you all about our international community of Music Matters Maestros. You can become a member with other people who may well be on a very similar journey to your own. There are three levels of engagement. It's nothing to do with level of ability, just level of engagement. Each level comes with perks. And of course those perks increase as you go up the levels. By the time you are a level two member, you'll have access to a monthly live stream where I'm putting in an hour's teaching every month, going into a bit more detail than we've got time to in these videos. And also there's a live chat running. You can ask your questions. You'll kind of see what other people are asking. You'll connect with other people who've got very similar interests. Wonderful friendships are forming through this Maestros group, I must say. Or you might want to go a step further and engage with us at level three. And you get all the perks of level one and level two, but level three gives access to an additional livestream every month, and that's really for one-to-one feedback. You can submit your own composition, your own arrangement, your own harmony exercise, your own bit of figured bass, whatever it happens to be, your own recorded performance, and I'll give you one-to-one feedback. We'll share that in the whole group so everybody learns from each other, and they're amazingly supportive, I'll tell you that. A wonderful crowd of people. We all learn from each other and it's a fantastic way of thinking, ah, that's interesting. Somebody's written a guitar piece. I've never written a guitar piece. How do they do that? Oh, I've learned something about how to do that. Or I write in a classical style. Here's somebody writing in a kind of modern atonal style or in a jazz style. Oh, I've learned something about how to do that. Maybe I'll have a go at doing that. You get the idea. Or, as I say, sharing performances. So lots to gain from being a Music Matters Maestro, so have a look at that. Anyway, it's all there with lots of other stuff, as well, www.mmcourses.co.uk
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Channel: Music Matters
Views: 6,127
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Keywords: figured bass, music theory, basso continuo, figured bass explained, figured bass example, figured bass tutorial, figured bass realization, root position, 1st inversion, 2nd inversion, figured bass realization practice, figured bass improvisation, figured bass in music, basso continuo explained, music theory lessons, basso continuo tutorial, figured bass music theory, baroque music, abrsm grade 6 theory, abrsm grade 7 theory, abrsm grade 8 theory, figured bass practice
Id: zgIhvABslQE
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Length: 28min 52sec (1732 seconds)
Published: Mon Feb 27 2023
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