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- APAtT (a.P.A.t.T.): 2000s Prog Pop/Experimental Rock band
- A Flock of Seagulls: 1980s New wave/synthpop band
- Alexis Blue: 2000s indie pop group.
- Alternative Radio:Present
- Alterkicks: 2000s indie rock band led by singer/songwriter Martin Stilwell.
- Amsterdam: Led by singer/songwriter Ian Prowse
- The Amnesiacs: Ska/Hip Hop band.
- Anathema: formerly Death/Doom Metal(currently alternative rock).
- Apollo 440: 1990s dance act who have had hits with "Ain't talkin 'bout dub" and "Stop the rock".
- Astronaut: 1990s alternative band
- Atomic Kitten: Girl band, formed in 1997 by OMD's Andy McCluskey.
Read more about this topic: List Of Bands From Merseyside