Apparatus for creating, recording, transmission, processing, retrieval, manipulation and reproduction of sound; microphones, microphone preamplifiers, direct input boxes, mixing consoles, dynamic processors, effects and signal processors, equalizers, crossovers, audio controllers, audio interfaces, signal distribution devices, signal converters, headphone amplifiers, headphones, power amplifiers, loudspeakers, apparatus for controlling lighting, computer software for creating, recording, tran...