The Eugene Ormandy Music and Media Center is named for the long-term conductor of the Philadelphia Orchestra, whose professional papers, conducting scores, and recordings the Penn Library holds. The Center houses more than 34,000 sound recordings of Western music, as well as art and traditional musics of the world in LP disc, cassette, and compact disc formats. The Music Library's video collection is also housed here and includes DVD and laser disc recordings of opera and ballet as well as a diverse collection of video tapes, primarily related to the study of world music.