Although Red Hot Chili Peppers bassist Flea has provided backing vocals on all of the group's albums, he has stepped up to the mic for lead vocals only on One Hot Minute's "Pea." Now the Aussie-born four-stringer is lending his immaculate golden vocal cords to the Disney cartoon Sheriff Callie's Wild West for an episode titled "The Pie Thief," which will air Friday at 9 a.m. EST on Disney Junior.