Drone metal is a subgenre of heavy metal music that emphasizes long, repetitive, and droning sounds.

Alt-metal is a genre of music that combines elements of alternative rock and heavy metal.

I love listening to alternative metal.

I love listening to speed metal.

Celtic metal is a genre of music that combines elements of traditional Celtic music with heavy metal.

Nü-metal became popular in the late 1990s.

Nu-metal became popular in the late 1990s.

I love listening to stoner metal while driving.

Funk metal is a fusion genre that combines elements of funk and heavy metal.

I love listening to funk-metal music.