Complex sentence: Lloyd first became interested in music as a small child and would sit at the age of three or four at a small 28-key child's piano, playing notes and wondering where they went as the vibrations subsided.
Split into simpler sentences: Lloyd first became interested in music as a small child. At the age of three or four he would sit at a small 28-key child's piano, playing notes and wondering where they went as the vibrations subsided.