Complex sentence: His improvised melodies, played with a delicate touch, were usually simple and quiet; the accompaniments were correspondingly light, with Lewis's left hand often just grazing the keys to produce a barely audible sound.
Split into simpler sentences: His improvised melodies, played with a delicate touch, were usually simple and quiet. The accompaniments were correspondingly light, with Lewis's left hand often just grazing the keys to produce a barely audible sound.