*Music: Sheet Music

Collection of free sheet music, riffs, lessons, and tools for a wide variety of instruments and from an equally wide variety of styles and composers. Includes chord charts and music theory helps, as well.

Images of sheet music published in California between 1852 and 1900, together with related materials. Searchable.

Twentieth century titles also have many photographs of African-American musical performers, often in costume. Searchable. Excellent site.

Images of music sheets published in the U.S. between 1850 and 1920. Timeline also available. Searchable. Excellent site.

Popular American music from 1780 to 1960, but will only display images of sheet music that is before 1923 (i.e. in the public domain). For more recent material, will give the bibliographic record. Searchable.

Includes popular songs, piano music, sacred and secular choral music, solo instrumental music, method books and instructional materials, and music for band and orchestra.

Billed as the world's largest source for purchasing sheet music. Search over 1,000,000 songbooks, scores, tabs, methods, and more. Includes popular songs, piano music, sacred and secular choral music, solo instrumental music, method books and instructional materials, and music for band and orchestra.

Opera scores