Abstract: A computer implemented online music distribution system provides for the secure delivery of audio data and related media, including text and images, over the Internet. The online music distribution system provides a client-server system including a distribution server including a delivery server, and an HTTP server and or Secure Server, communicating with a client system. The system is completed with a music card to be purchased by the user. The card acts like a retail CD and downloadable with security measures on the buyers computer, while giving the artist, musician and record label some demographic information. The invention has lower production costs, lower shipping costs, easy distribution, unlimited resale points, anti-piracy measures, buyers basic information, no need for credit card transactions, unique secure download systems and illegal downloading protection, and a way to have record of purchases and full album royalties and income.