Complex sentence: Dave Bickler (born ca.1953) was lead singer of 1970's American rock group' Jamestown Massacre', who recorded their debut album in the mid 1970's.
Split into simpler sentences: Dave Bickler (born ca.1953) is an American rock singer. Was the lead singer of 1970's rock group' Jamestown Massacre'who recorded their debut album in the mid 1970's.