The presence of Hamparsum sheet music and original sheet music in the collection written by Kemal Batanay (1893-1981), a composer of Turkish music and ta‘līḳ calligrapher, makes this archive valuable. The collection mostly consists of rare works written by musicians. Among the most prominent documents in the archive are 1,342 pieces of sheet music written in Kemal Batanay’s own handwriting, 789 printed and 860 photocopied sheet music, 55 original and photocopied notebooks, and 396 compilations. The collection, which covers the dates when the owner of the collection lived, is organized in 30 folders and 2,137 files.