Complex sentence: When the opportunity came to record a single, "I Wanna Be Your Baby", later covered by Uncanny X-Men, two members were fired and mick prague and mark harvey joined the band and performed i wanna be your baby on countdown.
Split into simpler sentences: When the opportunity came to record a single, "I Wanna Be Your Baby", later covered by Uncanny X-Men, two members were fired. Mick Prague and Mark Harvey joined the band and performed "I Wanna Be Your Baby" on Countdown.