Complex sentence: Jones and The Cadets sang backup vocals on a few of Richard Berry's recordings in 1955 including "Jelly Roll" which appears on the 2001 Ace Records (UK) compilation CD of the group The Dreamers called "They Sing Like Angels".
Split into simpler sentences: Jones and The Cadets sang backing vocals on a few of Richard Berry's recordings in 1955. These included "Jelly Roll," which appeared on the 2001 Ace compilation album of the group The Dreamers called "They Sing Like Angels".