12 BAR BLUES - DEFINITION

The 12 bar Blues is the commonest form in jazz. At its simplest level, this is a repeating 12 bar chord sequence comprising

· Bars 1-4 Chord 1
· Bars 5-6 Chord 4
· Bars 7-8 Chord 1
· Bar 9 Chord 5
· Bar 10 Chord 4
· Bars 11-12 Chord 1