Here's a head boppin' medium swing 12-bar jazz blues backing track (Bb)
Download 10-minute high quality version HERE
II: Bb7 I Eb7 I Bb7 I Fm7 Bb7 I
I Eb7 I Edim7 I Bb7 I G7#5 I
I Cm7 I F7 I Bb7 G7#5 I Cm7 F7 :II
On the track, you will hear extensions and alterations of the basic chords - as is common in jazz.... :)
Tempo = 100BPM
Feel ready for a FAST jazz blues in Bb?
Check out this swinging jazz blues jam track at 200BPM
And... HERE are a few jazz licks you may find useful for playing on the turnaround...