Apparatus for recording, transmission and reproduction of images; Apparatus for recording, transmission or reproduction of sound; Apparatus for recording, transmission or reproduction of sound and images; Apparatus for recording, transmission, processing and reproduction of sound, images or data; Apparatus for recording, transmitting and reproducing sound and images; Apparatus for speech recording and replaying; Apparatus for the recording, transmission and reproduction of sound and images; Audio and video recordings featuring music; Audio recorders; Audio recordings featuring music; Computer hardware and software for processing digital music files; Computer memory hardware; Computer programs for processing digital music files; Computer software and firmware for music and voice recordings; Computer software featuring musical sound recordings and musical video recordings; Computer software for creating and editing music and sounds; Computer software for processing digital music files; Digital music downloadable from the Internet; Digital music system that synchronizes digital music files stored on a home unit and a car unit; Digital voice recorders; Dynamic random access memory (DRAM); Electronic memory card readers; Flash card adapters; Flash card readers; Flash memory card; RAM (random access memory) card; Secure Digital (SD) Memory Cards; USB (universal serial bus) hardware; USB (universal serial bus) operating software; USB computer access control key; USB computer security key