Roots of Bill Ward

Bernard Lee "Pretty" Purdie is an American drummer, and an influential R&B, soul, funk and jazz musician. He is known for his precise time-keeping and his signature use of triplets against a half-time backbeat: the Purdie shuffle. He was inducted into the Modern Drummer Hall of Fame in 2013.

Nicola James Capaldi was an English singer-songwriter and drummer. His musical career spanned more than four decades. He co-founded the progressive rock band Traffic in 1967 with Steve Winwood, and the two of them co-wrote the majority of the band's material. He was inducted into the Rock and Roll Hall of Fame as a part of Traffic's original lineup.