In 1841 he left the city to take up the post of court composer to Friedrich Wilhelm IV in Berlin; during his time there he remained guest conductor of the orchestra in Leipzig.

He resigned from his posts in Berlin in 1844 and returned to Leipzig; he moved with his family in 1845 to an apartment on the second floor of this building (its address, then Königstraße 5, is now Goldschmidtstraße 12).

There is information about Mendelssohn's life and work, particularly about his time in Leipzig; there are written documents, music scores, and watercolours painted by the composer.

[2][4] The museum is included in the Blaubuch (Blue Book) of the Federal Government, as an important cultural site.

It offers courses, led by highly regarded musicians, in singing, conducting or other aspects of music making.