music research portal
Music Databases 

A - B - C

abc Musical Notation Language American Music Database Aria Database
Archive of Popular Music Anna & Luca's Music Home Page ASCAP
British Song Database Beethoven Bibliography Database BigBands Database
Critiques musicales Canadian Music Periodicals Cantus   Latin Ecclesiastical Chant Collection of Sheet Music
D - E - F
Digital Image Archive of Medieval Music  Doctoral Dissertations
EduMusique Ethnomusicologie
Folk Music - Index to Recorded Resources Free Scores 18th-century Flute Database
G - H - I
Gaylord Music Library Necrology
History of Music
Institute for Music Research Instruments de musique du Moyen Âge
J - K - L - M
MIDI Search Engine MIDI Search Monumenta Musicae Byzantinae Music, Mind, Machine Group 
Musica  Choral MuSICA Research Notes Musicale Portail de musiciens  Musique classique et ses compositeurs Musipedia
Musicologie Musique traditionnelle Mutopia  Free music
N - O - P
Obituary Index  Obituary Page Operabase
Parlor Songs Popular Song Database Pianopedia
Q - R - S
Québec Info Musique
Renaissance Liturgical Imprints Répertoire International d'Iconographie  RILM   Music Literature
Saggi Musicali  Theory and Aesthetics SongFacts Sonus   Canada Sheet Music USA
T to Z
Texas Music Office Tunebook Thesaurus Musicarum Latinarum Tunes at Ceolas
Virtual Sheet Musicclick here
Women Song Composers Who Does That Song