Oblivians

Garage Rock - USA

Oblivious Signal

Hard-Rock - USA

October Project

Prog Folk - USA

October Tree

Progressive Rock - USA

Odd Man Out

Alternativ Rock - USA

Odis

Indie Rock - USA

Oedipus

Rock - USA

Of Eyes That See

Electronic Rock - USA

Of Montreal

Pop Rock - USA

Off

Punkcore - USA

Off With Their Heads

Punk-Rock - USA

Oingo Boingo

New-Wave - USA

Ojos Rojos

Psychedelic Rock - USA

OK Go

Indie Rock - USA

Okkervil River

Indie Rock - USA

Old Man Markley

Punk-Rock - USA

Old Union

Southern Rock - USA

Old Worlds

Indie Rock - USA

Oleander

Indie Rock - USA

Om

Stoner Rock - USA

Omar And The Howlers

Blues Rock - USA

Omar Kent Dykes

Blues Rock - USA

On Trial (USA)

Street Punk - Oi - USA

Once Were Ghosts

Post-Rock - USA

One

Prog Folk - USA

One Hit Wonder

Punk-Rock - USA

One Man Army

Street Punk - Oi - USA

One Red Martian

Indie Rock - USA

One Republic

Pop Rock - USA

One True Thing

Pop Rock - USA

One-Eyed Doll

Rock - USA

Oneida

Experimental Rock - USA

Only The Young

Pop Rock - USA

Operation Ivy

Ska-Punk - USA

Operator Generator

Stoner Rock - USA

Opposite Box

Indie Rock - USA

Oppressed Logic

Punkcore - USA

Orion The Hunter

Hard-Rock - USA

Osaka Popstar

Punk-Rock - USA

Osker

Punk-Rock - USA

Other Lives

Indie Rock - USA

Otis Gibbs

Country Rock - USA

Our Corpse Destroyed

Punkcore - USA

Ours

Indie Rock - USA

Out For Blood

Street Punk - Oi - USA

Out Of Order

Punkcore - USA

Out With The Old

Pop Rock - USA

Outlaws

Southern Rock - USA

Outpatients

Punkcore - USA

Outrageous Cherry

Psychedelic Rock - USA

Oven

Stoner Rock - USA

Over It

Emo - USA

Over The Effect

Alternativ Rock - USA

Overdust

Rock - USA

Owen

Indie Rock - USA

Oxblood

Street Punk - Oi - USA

Oxley's Midnight Runners

Street Punk - Oi - USA

Oysterhead

Psychedelic Rock - USA

Ozark Mountain Daredevils

Country Rock - USA

P.G. Six

Folk Rock - USA

Pagans

Punk-Rock - USA

Pagoda

Grunge - USA

Palace

Folk Rock - USA

Palestrina

Indie Rock - USA

Palms (USA-1)

Surf Rock - USA

Palms (USA-2)

Post-Rock - USA

Palodine

Indie Rock - USA

Panda Bear

Indie Rock - USA

Panda Riot

Indie Rock - USA

Pandoras

Psychedelic Rock - USA

Panic At The Disco

Pop Rock - USA

Papas Fritas

Rock'n'Roll - USA

Paramore

Emo - USA

Parasites

Punk-Rock - USA

Parasitic Twins

Punkcore - USA

Parquet Courts

Punk-Rock - USA

Part Time

Pop Rock - USA

Passion Pit

Indie Rock - USA

Pastel Ghost

Darkwave - USA

Pat Benatar

Rock - USA

Pat Metheny

Jazz Rock - USA

Patent Pending

Punk-Rock - USA

Patrice Pike

Rock - USA

Patrick Lew Band

Hard-Rock - USA

Patrick Stump

Pop Rock - USA

Patriot

Street Punk - Oi - USA

Patti Smith

Rock - USA

Patty Smyth

Pop Rock - USA

Paul Banks

Indie Rock - USA

Paul Butterfield Blues Band

Blues Rock - USA

Paul Cauthen

Country Rock - USA

Paul Revere And The Raiders

Pop Rock - USA

Paul Simon

Pop Rock - USA

Paul Stanley's Soul Station

Rock - USA

Pavement

Indie Rock - USA

Pavlov's Dog

Hard-Rock - USA

Paw

Alternativ Rock - USA

Pearl Jam

Grunge - USA

Pearls Before Swine

Folk Rock - USA

Peeling Grey

Post-punk - USA