Composition
Collection of Contemporary Composers' Websites [New York University]
Heavy Metal
"Exploring Extreme Music and Marginalized Communities" Bibliography [Ursula C. Schwerin Library, New York City College of Technology of the City University of New York (CUNY)]
Jazz + Blues
Medieval, Renaissance, Baroque
Digital Image Archive of Medieval Music
Music Education + Individual Practice
Guide to Remote Music Education
Resources for Teaching Music and Audio Production Online
Teaching Music in the Age of COVID-19 [The College Music Society]
Music Reference
MusRef: A Guide to More than 11,000 Print and Internet Music Reference Resources
Music Technology + Apps
KORG iKaossilator for iPhone [KORG]
KORG Kaossilator for Android [KORG]
Minimoog Model D Synthesizer [Moog]
Online Ableton Classes [Elliot Cole, composer]
Using Zoom in "Music Mode" by RAMA Vocal Center [The Royal Academy of Music]
Music Theory
Artusi: Interactive Music Theory
Music Theory Examples By Women
Music Theory Pedagogy Online [Appalachian State University]
Musicals
Voice / Opera
Omniglot: The Online Encyclopedia of Writing Systems and Languages
Opening Night! Opera and Oratorio Premieres
#Opera Before Instagram: 19th and 20th century photographs of opera singers
Other Sites of Interest