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Discussion in 'General Instruction [BG]' started by Jazzin', Jul 19, 2005.
Does anyone know the chord progressions for these...
the 12bar jazz blues
the song "Rhythm Changes"
12 bar blues Heres how I think of it.
Lets turn 12 bars of nuthin into a blues form.
|| I | I | I | I | I | I | I | I | I | I | I | I ||
Traditionally, the first four bars is like a call. Second four bars is a repetition of that call. Last four bars is an answer/response to the call, so lets separate it into those sections.
|| I | I | I | I || I | I | I | I || I | I | I | I ||
The answer should have some finality, so lets make a cadence.
|| I | I | I | I || I | I | I | I || V | V | I | I ||
Both calls are exactly the same. Thats boring. I usually say it more emphatically the second time, since they probably didnt hear it the first time. Well give a musical reason to draw in the listener.
|| I | I | I | I || IV | IV | I | I || V | V | I | I ||
Hmm, the answer seems a little dismissive, dont you think? Lets make it address the question a little more relevantly.
|| I | I | I | I || IV | IV | I | I || V | IV | I | I ||
Okay, now to bluesify it.
|| I7 | I7 | I7 | I7 || IV7 | IV7 | I7 | I7 || V7 | IV7 | I7 | I7 ||
Thats a basic blues form. There are a lot of different modifications that are frequently made, though.
|| I7 | IV7 | I7 | I7 || IV7 | IV7 | I7 | VI7 || ii7 | V7 | I7 | I7 ||
Rhythm changes refer to the changes to Ive got Rhythm, and adaptations/variations of those changes. They follow an AABA structure, with each section 8 bars long, going something like this:
|| I vi7 | ii7 V7 | I vi7 | ii7 V7 | I I7 | IV ii7 | V7 | I V7 ||
|| I vi7 | ii7 V7 | I vi7 | ii7 V7 | I I7 | IV IV#dim | V7 | I ||
|| III7 | III7 | VI7 | VI7 | II7 | II7 | V7 | V7 ||
|| I vi7 | ii7 V7 | iii vi7 | ii7 V7 | I I7 | IV IV#dim | V7 | I ||
You could probably find faster and more complete answers to this stuff doing a google searches .
Is that a standard jazz blues? or just a modified rock blues?
It's whatever you wanna call it.