Good and Bad Music

Good Music
Power pop

Rock and roll

Soul

Alternative country

Baroque pop

Progressive rock and metal

Alternative rock

Blues

Indie pop

New wave

Jazz (except for smooth and acid jazz)

Folk

Extreme (thrash, speed, power) metal

Classical

Punk

Americana (AKA roots rock or roots music)

Old-school heavy metal

Blues rock

Surf music

Bad Music
Modern heavy metal

Pop music

R&B

Soft rock

Glam metal

Arena rock

Country pop

Post-grunge