Andrew James Summers is an English guitarist best known as a member of the rock band the Police. He was inducted into the Rock and Roll Hall of Fame as a band member in 2003. Summers has recorded solo albums, collaborated with other musicians, composed film scores, written fiction, and exhibited his photography in galleries.

John Douglas Lord was an English keyboardist and composer. In 1968, Lord co-founded the hard rock band Deep Purple, and he became regarded as its leader in the early years. Lord performed on most of the band's most popular songs; he and drummer Ian Paice were the only continuous members in the band between 1968 and 1976, and also from when it was re-established in 1984 until Lord's retirement in 2002. He also spent time in the bands Whitesnake, Paice Ashton Lord, the Artwoods, the Flower Pot Men and Santa Barbara Machine Head.