Man, yer dissin' Bo Diddley?
I get your point, though. Are these three acts the
only thing they are booking? There are several clubs across the U.S. the book jazz, folk, blues, alt-pop, and (gasp) even country. It's easier for them to stay in business by catering to a variety of audiences. Kind of like it's easier to pay the rent if you can play a variety of bass styles.