From Stardew Valley Wiki
|Plays a drum sound when you walk past.|
Robin (6 hearts)
|Ingredients:||Stone (10) Copper Ore Fiber (20)|
If you on a drum block, you can change the sound it emits when you walk past.
The Drum Block is a crafted piece of Furniture. The recipe can be obtained from Robin's 6 heart event. The Drum Block itself can be obtained as a reward for donating the Ancient Drum artifact to the Museum.