Below are some professional tuba players to check out.
Performers to look for: Sam Pilafian, Roger Bobo, Dan Perantoni, Gene Pokorny, Jim Self. Composers and standard repertoire: Vaughn-Williams Concerto and show-off pieces like "Flight of the Bumblebee." Specific recordings of interest: All brass quintet recordings are excellent (the Canadian Brass Quintet has a wonderful tuba player!); Travelin' Light (Pilafian) - kind of jazzy; Tuba Tracks (Pokorny); Changing Colors (Self).