42 Hosting the digital audio content of others for the purpose of allowing purchasers to download the content; providing a website allowing users to upload and download music; providing an online software platform/application service provider, namely, for music discovery; providing technical consulting services in the field of linking metadata tags with music and sound files so that the music and sound files can be recognized by systems such as database search engines and file managers to support activities such as music licensing, sound licensing, music discovery, audio and video production, and entertainment; providing technical sound and musical note recognition analysis of musical compositions