9 Series of musical sound recordings; audio-visual recordings featuring music and music based entertainment; downloadable musical sound recordings and audio-visual recordings featuring music and music-based entertainment; downloadable virtual goods, namely, computer programs for the creation and trade of digital collectables using blockchain based software technology and smart contracts, featuring musical sound recordings, audio-visual recordings featuring music, music based entertainment, virtual experiences, photos, images, graphic and digital artwork; downloadable digital media, namely, digital collectables created with block-chain based software technology and smart contracts, the digital media being in the nature of musical sound recordings, audio-visual recordings featuring music, music based entertainment, virtual experiences in the nature of interactive computer games and entertainment, photos, images in the field of music, graphic and digital artwork; downloadable computer software for managing digital collectable services, a market for transactions, and a registry using blockchain based software technology and smart contracts for digital collectables featuring musical sound recordings, audio-visual recordings featuring music, music based entertainment, virtual experiences, photos, images, graphic and digital artwork