Crabby Appleton was an American rock band in the early 1970s. Fronted by singer-songwriter Michael Fennelly, they scored a Top 40 hit with their first single, "Go Back."Though nearly everyone in the group was from a Los Angeles, California-based band called Stonehenge, the group's line-up was revamped with the introduction of Michael Fennelly, who had been one of the principal vocalists and songwriters in The Millennium.