Complex sentence: His first band was called The Beachcombers and they signed a recording contract in 1968 with CBS Record, they changed their name for The Boots and published their first single, "The animal in me".
Split into simpler sentences: His first band was called The Beachcombers and they signed a recording contract in 1968 with CBS Records. They changed their name for The Boots and published their first single, "The animal in me".