Rock DJ was the first single on Sing When You're Winning, Robbie Williams's third album. The song opened at the top of the UK Singles Chart. This classic hit includes the full original lyrics and complete score. They have sensible ranges of written B flat for Trumpet and G for Trombone. In the key G. With parts for Vocals, Alto Saxophone, Tenor Saxophone, Trumpet, Keyboard, Trombone, Bass, Guitar, Drums and Score.