Complex sentence: He also won the Onnasis Awards for best score for theatre, and also composed music for Katy! at Rama at Sita, two of the Philippines most famous Tagalog musicals.
Split into simpler sentences: He also won the Onnasis Awards for best score for theatre. Aside from that, he also composed music for Katy! at Rama at Sita, two of the Philippines most famous Tagalog musicals.