Complex sentence: Their first single was going to be Without Love written by Dave Hall with Rocka Rolla (the Judas Priest song) as the B side, they were recorded in a studio in Tin Pan Alley, Denmark Street, London but were never released.
Split into simpler sentences: Their first single was going to be'Without Love', written by Dave Hall, with "Rocka Rolla" (the Judas Priest song) as the B-side. They were recorded in a recording studio in Denmark Street, London but were never released.