Complex sentence: After World War II, Ansermet and his orchestra rose to international prominence through a long-standing contract with Decca Records, and between then and his death, he recorded most of his repertoire, often two or three times.
Split into simpler sentences: After World War II, Ansermet and his orchestra rose to international prominence through a long-standing contract with Decca Records. Between then and his death, he recorded most of his repertoire, often two or three times.