O

Maura O’Connell

Contributor: Colin Duncan

Iarla Ó Lionáird

Contributor: Andrew Shields

Damian O’Neill

Contributor: Neil Waite

Seán Ó Riada

Contributor: Andrew Shields

Gilbert O’Sullivan

Contributor: Andrew Shields

Oasis

Contributor: Ash Wheeler

Ocean Colour Scene

Contributor: James Tanner

Phil Ochs

Contributor: Kasper Nijsen

Okkervil River

Contributor: Joel Dear

The Olympics

Contributor: Dave Stephens

The Only Ones

Contributor: Alan Haines

Orange Juice

Contributor: Andrew Shields

The Orb

Contributor: Ian du Feu

Roy Orbison

Contributor: Dave Stephens

Orbital

Contributor: Rob Langham

Orchestral Manoeuvres
In The Dark

Contributor: Rob Morgan

The Orchids

Contributor: Rob Morgan

The Orchids/The Exceptions

Contributor: David Pearson

Lindi Ortega

Contributor: Calvin Rydbom

Beth Orton

Contributor: Justine Harvey

Johnny Otis

Contributor: Dave Stephens, Cal Taylor

The Outcasts

Contributor: Michael Martin

Buck Owens

Contributor: David Lewis

Dean Owens

Contributor: Carl Parker

The Owl Service

Contributor: Merric Davidson