The museum owns nearly 5000 European and non-European musical instruments, an iconographic collection, as well as a collection of historic sound storage mediums, including approximately 3500 piano rolls for player pianos and numerous graphemes. This collection includes mechanical instruments as well as playback devices such as barrel organs, musical string mechanisms, symphoniums, pneumatic players, as well as disc players utilizing the Edison system. Most of the materials were produced in the Hupfeld factory.