Classical Scores Library contains 400,000 pages of classical music scores, manuscripts, and previously unpublished material, allowing for the study and analysis of more than 8,000 musical scores. Users can access multiple types of scores across various composers, genres, and time periods. It contains full scores, study scores, piano and vocal scores, as well as piano reductions. Alexander Street Press has rekeyed all opera, vocal, and choral texts to allow for deep searching and textual analysis.