Written by Nicky Chinn and Mike Chapman, and produced by Phil Wainman, "Block Buster!"

Released in January 1973, it spent five weeks at the top of the UK Singles Chart,[8] and also made #1 in the Netherlands, Germany, Austria and Ireland, and #3 in Finland, Switzerland, Denmark and Norway.

Its Muddy Waters-inspired blues riff is markedly similar to that featured on fellow RCA act David Bowie's "The Jean Genie", released shortly before, but all parties maintained this was a coincidence.

The one for the Flemish speaking part of Belgium (Flanders) saw the song reach number two, for five consecutive weeks,.

[13] In the French speaking part (Wallonia) the song climbed to number one, for two consecutive weeks.