Complex sentence: Amis'short career as a tenor began with a minor role in the 1967 recording of Herrmann's cantata "Moby-Dick", and following this he made his operatic debut in 1990 as the Emperor in "Turandot".
Split into simpler sentences: Amis'short career as a tenor began with a minor role in the 1967 recording of Herrmann's cantata "Moby-Dick". He made his operatic debut in 1990 as the Emperor in "Turandot".