9 Apparatus and instruments for recording and reproducing sound and/or images on optical discs, namely, optical disc recorders, optical disc readers, optical disc writers, optical disc drives; Replication apparatus for use in the pre-mastering and mastering of optical discs, namely, glass master discs, metal master discs, optical disc stampers, scanners, and automatic laser inspection machines; Computer hardware for use in the manufacture of optical discs, glass master discs, and metal master discs, and for metalizing, electroforming, polishing, cutting and stamping optical discs; Sound recordings, namely, audio cassette tapes, compact discs, DVDs and optical discs featuring music and speech and recordings of natural sound; Image recordings, namely, DVDs, optical discs and video recordings featuring music, images, sound, data and/or text, motion picture films, and computer games; Pre-recorded magnetic tapes featuring musical sound recordings, musical video recordings, motion picture films, computer software games, and interactive multi-media computer game programs; pre-recorded combination of text, graphics, voice and video and computer software for business purposes, namely for use in recording and reproducing sound and/or images and for replicating discs and tapes; cases adapted for storing compact discs; and part thereof