5ad3e94c_do_DS__and_all_things_Nintendo__Description
[Instrument] Jaw Harp [Type] 22Guitar Type [Description] 
The jaw harp is held in the teeth while the player plucks a reed and alters mouth position for different notes. You only need to strum--less complex!
List of instruments in Wii Music - The Nintendo Wiki - Wii, Nintendo DS, and all things Nintendo
Description