Progressive rock

Panic Room

Rock · Alternative rock

Paper Planes

Progressive rock · Instrumental

Peach

Rock · Metal

Pendragon

Rock · Progressive rock

Peter Gabriel

Rock · Pop

Plini

Jazz · Progressive rock

Poisoned Electrick Head

Progressive rock · Psychedelic

Polymath

Rock · House

Porcupine Tree

Rock · Progressive rock

Portal

Experimental · Black metal

Primitive Instinct

Progressive rock

Procol Harum

Rock · Classic rock

Pulsar

Progressive rock · French

Pure Reason Revolution

Rock · Progressive rock

Quatermass

Classic rock · Hard Rock

Queensrÿche

Metal · Hard Rock

Rainbow Theatre

Rock · Progressive rock

Red Jasper

Progressive rock

Richard Benson

Progressive rock

Rick Wakeman

Rock · Classic rock

Riff Raff

Punk · 80s

Riverside

Rock · Progressive rock

Roger Hodgson

Rock · Classic rock

Saga

Rock · Classic rock

Satellite

Rock · Progressive rock

Scenes

Metal · Progressive rock

Shapes

Post Hardcore · Punk Rock

Silhouette

Metal · Progressive rock

Soft Machine

Jazz · Experimental

Space Ritual

Progressive rock · Psychedelic

Speakers Corner Quartet

Jazz · Experimental

Speaking In Italics

Post Hardcore · Alternative

Spock's Beard

Rock · Progressive rock

Spot

Punk Rock · Punk

Stallion

Hard Rock · Progressive rock

Star One

Metal · Progressive rock