mysterious

deep

peaceful

atmospheric

ambient

dark

ethereal

eerie

dreamy

melancholic

down

contemplative

slow

calm

haunting

hopeful

hypnotic

light

mellow

mournful

soft

tension

soothing

serene

tranquil

sad

sentimental

relax

reflective

ominous

lonely

scary

suspense

quiet

delicate

spacey

open

simple

horror

intense

foreboding

anxious

flow

sombre

tearful

heartfelt

nostalgic

parting

love

piano

synthesizer

percussion