Complex sentence: Cassetteboy contributed some of the video clips for spoof clip show "2009 Unwrapped with Miranda Hart", and is credited on at least one episode of BBC Radio 4's spoof clippings show Listen Against.
Split into simpler sentences: Cassetteboy contributed some of the video clips for spoof clip show "2009 Unwrapped with Miranda Hart". Cassetteboy is credited on at least one episode of BBC Radio 4's spoof clippings show Listen Against.