Back in the day in Belfast many people didn’t give a shit (language – ED) what ‘side’ or ‘community’ you were from.
If you had the attitude, could (kinda) sing, had a guitar or a drum-kit (or the means to get one on HP from Session Music) you were in the band.
The Stiffs for example:
Perhaps the great Terri Hooley (as portrayed by Richard Dormer in Good Vibrations) summed is up best:
Get well soon Terri Hooley