Timeline for Is this a deceptive cadence?
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| Aug 30, 2020 at 15:55 | comment | added | phoog | @EdB123 I'm talking about the B flat to F in the middle of the fourth measure, preceding the measure you're asking about and leading to the F7(4/2) to the I chord that becomes a V/IV chord. See en.wikipedia.org/wiki/Cadence#Half_cadence: "A half cadence (also called an imperfect cadence or semicadence) is any cadence ending on V, whether preceded by II (V of V), ii, vi, IV, or I." It's a common structural device coming from dance music and leading eventually to sonata-allegro form. | |
| Aug 30, 2020 at 15:49 | comment | added | EdB123 | brilliant thanks. This 'cadence on the dominant'- are we talking about the dominant of B flat M (so F), or E flat Major (B flat). I can only see that A flat as part of a B flat 7 leading to E flat M. | |
| Aug 30, 2020 at 15:47 | history | edited | phoog | CC BY-SA 4.0 |
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| Aug 30, 2020 at 15:43 | comment | added | phoog | @EdB123 I think the considerations were more melodic and contrapuntal than harmonic, but yes. And yes, there isn't a proper key change anywhere here. (There is a cadence on the dominant in the middle of the previous bar, but that's not a key change, just a so-called half cadence.) It's just a secondary dominant. | |
| Aug 30, 2020 at 15:38 | history | edited | phoog | CC BY-SA 4.0 |
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| Aug 30, 2020 at 15:34 | comment | added | EdB123 | I see! So the A natural might smooth that move to the Cm7?? In terms of moving up a minor third instead of a major third?? Also, with regards to the move to E flat Major earlier in the bar, can we say that was not really a proper key change, but rather an example of a secondary dominant? Ed | |
| Aug 30, 2020 at 15:34 | comment | added | phoog | @EdB123 Yes, absolutely, it's moving back to B flat. It never gets very far from B flat, really, just cadencing on the dominant and then using the A flat to recast the following tonic chord as V/IV. You might consider, though, whether the A natural is motivated by a smaller-scale move to the Cm7 as ii7 in the next half measure. I know this piece well but haven't analyzed it in detail. | |
| Aug 30, 2020 at 15:23 | history | edited | phoog | CC BY-SA 4.0 |
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| Aug 30, 2020 at 15:19 | comment | added | EdB123 | Thank you. I see. I assumed this was a chord tone as we were moving from E flat major back to B flat major (so i thought it would be the natural 3 of V7). Despite the A natural not being a chord tone, does this nonetheless demonstrate a move back to B flat major? thanks! | |
| Aug 30, 2020 at 15:19 | history | edited | phoog | CC BY-SA 4.0 |
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| Aug 30, 2020 at 15:08 | history | answered | phoog | CC BY-SA 4.0 |