anxiety

hybrid

csi

dark

detective

hide

investigation

mystery

noir

quest

search

stealth

surveillance

suspense

think

thriller

wait

watch

documentary

piano

suspenseful

cinematic

soundtrack

tense

tension

background

sci fi

main theme

tv series

tv drama

explore

gloomy

somber

grim

bleak

dismal

moody

darkness

danger

long

mysterious

strange

lurk

stranger

unknown

time

night

acoustic piano

string

synthesizer