Complex sentence: However, his mastery of songwriting continued after the early death of George; and he wrote further hit songs with composers Jerome Kern ("Long Ago (and Far Away)"), Kurt Weill and Harold Arlen.
Split into simpler sentences: However, his mastery of songwriting continued after the early death of George. He wrote additional hit songs with composers Jerome Kern ("Long Ago (and Far Away)"), Kurt Weill and Harold Arlen.