The Performing Arts Reading Room is the access point for the collections in the custody of the Music Division at the Library of Congress. Numbering approximately 20.5 million items and spanning more than 1000 years of Western music history and practice, these holdings include the classified music and book collections, music and literary manuscripts, iconography, microforms, periodicals, musical instruments, published and unpublished copyright deposits, and close to 500 special collections in music, theater, and dance.