AllMusic: On this site, "all genres and styles of music are covered, ranging from the most commercially popular to the most obscure. The staff at AllMusic critiques albums and artists within the context of their own genres - from opera to garage rock to traditional country."
Children's Music Workshop: Education Music Online in the following categories, String Instruments, Orchestras, Bands & Classical Music, Woodwind Instruments, Piano/Percussion & Jazz Links, Vocal Music, and Brass Instruments.
Education Index Music Resources: "Search for educational information and links in over 50 categories."
Historic American Sheet Music: Use this sheet music guide maintained by the Duke University librarians to access digital images for over 3,000 pieces from the collection, published in the United States between 1850 and 1920." Search by composer, date, subject, or title.
Ibiblio: "Home to one of the largest "collections of collections" on the Internet, ibiblio.org is a conservancy of freely available information, including software, music, literature, art, history, science, politics, and cultural studies. ibiblio.org is a collaboration of the Center for the Public Domain and The University of North Carolina - Chapel Hill."
Music Education Resources: Comprehensive list of links covering all aspects of music theory and practice.
Music Web Links: Browse the top picks for music websites selected by the librarians at Duke University Library.
Music Web Resources: A guide to early music developed by a graduate student at the University of Chicago. He has provided links within the following resource categories: Early Music, Classical Music, General Music, Instrumental Music, Vocal Music, Internet Radio, Musicians and music education.
Performing Arts Links: Dance: The Theatre Library Group has provided a selection of scholarly links to dance history, dance art, classical ballet and cross-cultural dance resources.
Performing Arts Encyclopedia: "This is a guide to the performing arts resources at the Library of Congress. The PAE provides information about the Library's unsurpassed collections of scores, sheet music, audio recordings, films, photographs, and other materials."
Performing Arts Reading Room : The Music division of the Library of Congress has provided a list of links to performing arts libraries and research aids, periodical indexes, doctoral dissertations, obituaries and necrologies, dance sites, theatre sites, opera, film music, church music, music organizations, music industry sites, music publisher's sites, copyright information, sheet music sites, and song lyrics sites.
Washington University Library's Music Resources on the Internet: Organized music resources organized by category. Includes full-text sources, databases and projects, sheet music collections and much more.
Music Resources: "This music resource list is offered as a service
of the William and Gayle Cook Music Library, Indiana University." It
serves as a guide to individual muscians (popular), composers, types
of music, music journals, plus other research materials on the Internet.
American Musical Instrument Society: "The American Musical Instrument Society is an international organization founded in 1971 to promote better understanding of all aspects of the history, design, construction, restoration, and usage of musical instruments in all cultures and from all periods."
Essentials of Music: Use this "site to find basic information about classical music. Created in cooperation with W.W. Norton & Company, it's built around Essential Classics, the series specially designed to introduce you to the best music of every period. All through the site you'll find almost 200 excerpts from Essential Classics."
International Alliance for Women in Music: "A community archive for women composers and women in music topics."
Music Educators National Conference for Music Education: Includes resources for teachers, kids and teachers, press and researchers, and for jobs.
Performing Arts in America, 1875-1923: The New York Public Libraries website with selected internet resources and manuscript collections.
Roughstock's History of Country Music: "This exhibit looks at some of the influential artists and songs of the late 1920's through the year 2000, era by era."
San Francisco Conservatory of Music: Art resources available in San Francisco and beyond including a link to the Bothin Music Library.
Scaruffi: Music Historian and scholar Piero Scaruffi's website that features text of his pop, rock and jazz history books, plus information, links and references to musicians, album reviews and schools of music.