The Cave of Hidden Music is a location found in The Elder Scrolls III: Morrowind expansion Bloodmoon.
It is a cave found on the Isinfier Plains, northwest of Brodir Grove and is infested with Draugr.
The quest "The Ritual of Earth" takes place here. Inside the Chamber of Song, the player has to play the song which can be heard in the cave, by touching the three stones in the correct order. This has to be done twice.