A priceless moment in the film “Big Ben: Ben Webster In Europe.” He demonstrates the old school strategy of playing along with a recording, in this case a Fats Waller LP.
This film isn’t a performance documentary; it’s sketches of Mr. Webster’s daily life: going to the zoo, talking with his landlady, playing some stride piano, commuting to gigs, running a rehearsal (with Don Byas!), and so forth.

Here’s a link to the full film