Original: Coleridge-Taylor's greatest success was undoubtedly his cantata Hiawatha's Wedding-feast, which was widely performed by choral groups in England during Coleridge-Taylor's lifetime and in the decades after his death.
Simplified: Coleridge-Taylor's best-known work is his cantata Hiawatha's Wedding-feast, which was performed very often by choral groups in England during his lifetime and for many years after his death.