amplifier
audio
black
broadcast
broadcasting
conversation
electronics
equipment
frequency
gig
gray
head
hear
hold
instrument
isolated
listen
listening
louder
loudness
metal
mic
microphone
mix
music
musician
object
perform
performing
play
power
present
presentation
professional
radio
record
role
say
show
sing
sound
studio
telling
tool
tracks
tube
voice
wave
wide