Milestones: Paul Simonon is 55 today; watch The Clash play ‘Guns of Brixton’ in 1980

Today we mark the birthday of Paul Simonon — he’s turning 55 — with this performance of The Clash bassist’s signature tune, ‘The Guns of Brixton,’ filmed April 25, 1980, for the band’s second-ever U.S. television appearance on ABC’s late-night comedy show ‘Fridays.’