Complex sentence: Warwick left the band in 1966, and his music career, to become a carpenter and spend time with his family, and was replaced briefly by Rod Clark and then by John Lodge, who is still with the band.
Split into simpler sentences: Warwick left the band and his music career in 1966 to become a carpenter and spend time with his family. He was replaced briefly by Rod Clark and then by John Lodge, who is still with the band.