42 Providing on-line information by means of the Internet on music releases, reviews, concerts, concert tours, musical artists, the music industry, recording and playback equipment; providing computer on-line music samples for listening, downloading, playback and sale of music samples and recordings; matching musical preferences and interests of website users to music recordings and selections and to other websites; licensing of music and audio data in digital format; providing access to electronic data via computer networks for downloading, processing and reproducing music recorded in digital formats; design and engineering services relating to recording and telecommunications systems and apparatus; encryption and decryption of electronic data