Complex sentence: Prior to this, Tony McKormack (guitar) and Adam Henderson (bass) had formed a band called Belas Knapp, the name was changed to Incubus Succubus when they were joined by Candia Ridley on vocals.
Split into simpler sentences: Prior to this, Tony McKormack (guitar) and Adam Henderson (bass) had formed a band called Belas Knapp. The name was changed to Incubus Succubus when they were joined by Candia Ridley on vocals.