Complex sentence: Among his famous girl groups were the Ronettes and the Crystals; later working with artists including Ike and Tina Turner, John Lennon and the Ramones with similar acclaim.
Split into simpler sentences: Among his famous girl groups were the Ronettes and the Crystals. Spector later worked with artists including Ike and Tina Turner, John Lennon and the Ramones with similar acclaim.