This jazz blues chord progression is in Bb. You can play over the entire progression with a minor pentatonic scale, or you can follow the chord changes.
Here are the chords:
| Bb7 | Eb7 | Bb7 | Bb7 |
| Eb7 | Eb7 | Bb7 | G7 |
| Cm7 | F7 | Bb7 G7 | Cm7 F7 |
Have fun and keep jamming!