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

Stardeath and White Dwarfs

Indie Rock · Experimental

Steve Hackett

Rock · Progressive rock

Steve Moore

Electronic · Ambient

Stinking Lizaveta

Jazz · Seen live

Strangers On A Train

Rock · Progressive rock

Strawbs

Rock · Folk

Stray

Electronic · Progressive rock

Sub Rosa

Progressive rock · Brasil

Subterra

Drum & Bass · Progressive rock

Sumer

Alternative rock · Progressive rock

Sunchild

Progressive rock · Trance