B Flat Blues Chord Progression 12 Bar. The 12 bar blues is a 12 bar long chord progression that solo blues musicians can easily improvise over the top of because the chord progression is familiar to them. General elements of the 12 bar blues progression 1.
A 12 bar blues structure often consist of only three chords i iv and v. This means that if you know the root note or chord you can construct the rest of the 12 bar blues progression as well. The progression uses the i iv and v chords of the major scale.
12 bar blues is the most commonly used blues form.
For example a7 is actually an a dominant 7th chord. The 9th measure begins a cadence progressing to the toic i chord in the example below we use the f major key. The progression is 12 measures long 2. This means that if you know the root note or chord you can construct the rest of the 12 bar blues progression as well.
