Naxos Music Library (NML) This link opens in a new windowNaxos Music Library is the world's largest online classical music library. Currently, it offers streaming access to more than 46,000 CDs with more than 653,000 tracks, standard and rare repertoire. Over 800 new CDs are added to the library every month. NML can be accessed from any computer, anywhere, anytime. With the new iPhone / iPod Touch App subscribers can also access the service on the go.