This document describes the features and characteristics of a product called Natural Sound Compact Disc Player, including 5-disc carousel auto-changer PLAYXCHANGE, disc changing capability while playing another, random access programmable play, random-sequence play, single track/entire disc/all disc repeat play, automatic tape-programming, automatic peak level searching capability, program data filing capability, disc scanning capability, useful for disc searching or disc checking, display brightness changing capability, CD synchronized recording with a compatible YAMAHA tape deck, optical digital output, and remote control capability.