Sweet performing "Blockbuster" on BBC's Top Of The Pops in 1973.The song was written by Mike Chapman & Nicky Chinn and produced by Phil WainmanThe single was originally released in 1973.This version features the original line-up.Brian Connolly - lead vocalsAndy Scott - guitar, synthesizer, vocalsSteve Priest - bass, vocalsMick Tucker - drums, percussion, vocalsSingle Chart Positions:Great Britain: 1Germany: 1Austria: 1Denmark: 1Ireland: 1Netherlands: 1New Zealand: 1Switzerland: 3Norway: 3South Africa: 7