announcement
attracting
audience
audio
background
black
broadcast
cable
church
communication
concert
conference
cord
electronic
entertainment
equipment
event
instrument
isolated
karaoke
media
metal
metallic
microphone
mike
music
musical
news
object
oratory
perform
performance
radio
record
seminar
sing
song
sound
speak
speech
stage
stand
stereo
studio
technology
vintage
voice