Naxos music library

"Naxos Music Library is the most comprehensive collection of classical music available online. It includes the complete Naxos, Marco Polo and Da Capo catalogues of over 170,000 tracks, including Classical music, Historical recordings, Jazz, World, Folk and Chinese music. Whilst listening, users can read notes on the works being played as well as biographical information on composers or artists in Naxos's extensive database"--FAQ page.