Downloadable or recorded computer software, downloadable or recorded computer firmware, computer hardware, audio equipment, downloadable mobile applications, downloadable cloud-based software, downloadable web applications, downloadable web browser extensions, and downloadable software plugins for analyzing, creating, recording, reproducing, processing, synthesizing, generating, mixing, playing, importing, exporting, modifying, managing, emulating, performing, compressing, decompressing, encoding, decoding, upmixing, downmixing, receiving, transmitting, and collaborating on audio, sound, voice, and music; Downloadable computer software to control and improve computer and audio equipment sound quality; Downloadable computer software for controlling the operation of audio and video devices; Downloadable computer software for processing digital music files; Downloadable computer software for creating and editing music and sounds; Downloadable computer software for manipulating digital audio information for use in audio media applications; Downloadable machine-readable computer programs for use in the reproduction of music; Downloadable music-composition software.