Performing Arts

(Alan Belkin Music) Open-source textbook detailing the principles of harmony.

(Mount Allison University) Open-source calculator which automatically creates atonal sets.

(Dr. Tom Pankhurst) Companion website to Dr. Pankhurst's 'SchenkerGUIDE: A Brief Handbook and Website for Schenkerian Analysis', published by Routledge. It includes a summary of the method outlined in his book, glossary/bibliography, and exercises.

The Society for Music Theory promotes the development of and engagement with music theory as a scholarly and pedagogical discipline.

(University of Minnesota - Open Textbook Library) Open-source music theory textbook by Catherine Schmidt-Jones, licensed under Creative Commons Attribution 4.0 License. Covers, Notation, Physical Basis, Notes and Scales, Harmony and Form, and common Challenges.

(Duke University) Provides access to digital images for over 3,000 pieces from the collection, published in the United States between 1850 and 1920.

The ultimate goal of the IMSLP is to gather all public domain music scores, in addition to the music scores of all contemporary composers (or their estates) who wish to release them to the public free of charge.

(Iowa State University) Webpage provides links to descriptions and accompanying sound recordings of ancient and early instruments.

(United States Library of Congress) In its primary sources, music merges with the representational arts. Oral tradition has played a fundamental role in all ages, but in its formal sense, history--and the history of music--begins with the visual record.

(Stanford University) Here you can get detailed information on many operas, including: Libretti, Source Texts, Performance Histories, Synopses, Discographies, Rôle Creators, plus pictures, background information, and more.