This "jam session" is a A7 chord played over and over for you to get down all funky and play some blues.
"Stab" away with the left hand chord only
in time with the music.
Add A, C, D and Eb
in the right hand.
Tip: Always play a D after the Eb.
Play any notes from the blues scale.
Tip: Always play a D or E after the Eb.