 The group's vocals were arranged by Tony Moon, The group hit the U.S. pop charts in 1960 with the song "Alley Oop", written by Dallas Frazier.Their version of the tune hit #15 on the "Billboard" Hot 100 and went #1 on Cashbox; while The Hollywood Argyles' version went to #1 on the Billboard charts, the Evergreens recording was a bigger hit on the East Coast.A follow-up single, "Time Machine", hit #73 on the Billboard Hot 100.