light ambient Has melodic new-age tendencies, usually without the overly sweet aftertaste.

dark ambient Omnious chords, dissonant tones and strange sounds.

spacemusic Melodic music that’s more synth-oriented.

orchestral Usually sounds like a film soundtrack.

wistful Somber and melancholy with a hint of hope mixed in.

long-form Long playing tracks that are usually perfect to sleep to... usually.

concept album An over-arcing story or journey over the course of the album.

drone Slow-progressing chords or long standing tones.

collaboration Collaborative works with fellow artists.

idm Music with beats?! Madness!