Music-on-demand (MOD) is a music recording industry certified multi-billion dollar music distribution & subscriber-based industry model conceived with the growth of two-way computing and telecommunications in the early 1990s. Primarily, high-quality music is made available to purchase by way of title subscription license, access by search, and play back instantly using software on set-top boxes (6 MHz separated guard band channels), coaxial, fiber optics, cellular mobile devices, Apple Macintosh, Microsoft Windows, from an available distribution point, such as a computer host or server located at a telephone, cable TV & wireless data center facility.