Computer hardware for recording, modeling, reproducing, and transmitting sound; digital audio interfaces for recording, modeling, reproducing, and transmitting sound; amplifiers for musical instruments and accessories for use in connection therewith; computer software, namely, audio modification software, audio recording software, audio modeling software, and audio editing software; computer software to generate and control musical tones from microphones and musical instruments; computer software for accessing prerecorded music; music and audio sound processing software for mobile phones and tablet computers; computer software for processing, modifying, and applying effects to music and audio; audio cables; cable connectors; computer cables; consumer electronic products, namely, electrical audio cables and connectors; extension cables; guitar cables; stereo cables; USB cables; USB audio computer peripherals, namely, USB audio interfaces; musical instrument connectors; connection cables; electrical cables for musical instruments; computer cable interface adapter for mobile phones and computers, for connection of an electric guitar or bass, to emulate the sound of amplifiers or effects, and for audio processing and recording of music; digital audio interface adapter with cable and connectors for musical instruments, mobile phones and computers