An enchanted music box was found in 12 Grimmauld Place in the summer of 1995. When opened, it emitted a sinister music that caused all who were listening to suddenly become sleepy.

In Grimmauld Place

When cleaning Grimmauld Place, the cleaners found the box, opened it, and suddenly felt sleepy, and would have fallen asleep had Ginny Weasley not had the sense to close the box.