The gateway to Grove Music Online, with access to search The Oxford Dictionary of Music and The Oxford Companion to Music

Naxos Music Library [NML] is the world´s largest online classical music library.

This database provides indexing and abstracts for several hundred international music periodicals from over 20 countries, plus full text for more than 140 of the indexed journals

RILM Abstracts of Music Literature (1967 to Present) is a bibliography of writings about music featuring citations, abstracts, and indexes.