Ключевые слова: adult, amplifier, audio, brazilian, caucasian, duet, equalizer, equipment, girl, group, hardware, hipster, loudspeaker, mature, media, middle aged, mixer, mixing, monitor, music, musician, occupation, operator, panel, performing, producer, profession, professional, program, recording, singer, singing, sound, soundboard, soundtrack, stereo, studio, switch, tune, volume, woman, working, workplace, young,