abstract
analyze
analyzer
background
bass
beat
cd
club
compact
compact disc
dance
digital
disc
disco
display
dvd
electronic
energy
equalizer
equipment
frequency
glow
graph
led
level
light
loud
loudness
loudspeaker
melody
meter
mixer
music
night
rainbow
range
recording
science
shape
shiny
sound
soundsystem
speaker
spectral
spectrum
studio
technology