My vote

T-Bone: Typanni
Razer: Sax
Callie Briggs: Vocals
Steele: Piano
Uly Ferrel: Trombone
Fel Ferrel: Drums (Trap set)
Anne Gora: Xylophone
Prof Hackal: Moog Synthasizer
Mayor Manx: Conducts
Camerman: Trumpet