Question: Who has performed with more band, Trey Anastasio or Sarah Nixey?
Sentence (from "Tony Markellis"): On June 20, 2010 (Fathers Day), Tony was invited on stage at Saratoga Performing Arts Center (SPAC) to play bass with Phish on "Gotta Jibboo" (one of the songs he cowrote with Trey and Russ Lawton for the Trey Anastasio Band).
Relevant evidence: No