9 Frequency synthesizers; Voice synthesizers; Electronic sound mixing, processing and synthesizing apparatus; Downloadable music files authenticated by Non-fungible tokens (NFTs); Downloadable image, music, audio, video and multimedia files in the field of entertainment authenticated by non-fungible tokens (NFTs); Downloadable digital images, audio, video and multimedia files in the field of entertainment; Downloadable software that enables users to interact with digital intelligences and AI personas of virtual performing artists; Downloadable image files of avatars for use in virtual environments; Downloadable computer software for processing digital music files; Downloadable music files; Downloadable music files authenticated by non-fungible tokens (NFTs); Musical sound recordings; Sound recordings featuring voiceover content; Sound recordings featuring voices generated by machine learning and artificial intelligence; Downloadable audio recordings featuring songs authenticated by non-fungible tokens (NFTs); Downloadable digital music files authenticated by non-fungible tokens (NFTs); Software for distributing, trading, storing, sending, receiving, accepting, and transmitting digital assets, digital tokens, crypto-tokens, utility tokens, non-fungible tokens (NFTs), digital collectibles, crypto-collectibles, cryptocurrencies, digital currencies and virtual currencies; Downloadable software for creating, editing, uploading, downloading, accessing, viewing, posting, displaying, tagging, blogging, streaming, linking, annotating, indicating sentiment about, commenting on, voting on, embedding, transmitting, and sharing or otherwise providing electronic media or information via computer and communication networks, none of the foregoing for use in preparing customized affective data sets, affective APIs, or affective models for use in machine learning for others.