5ad3e94c_do_DS__and_all_things_Nintendo__Description
[Instrument] Timpani [Type] 13Piano Type [Description] 
These drums consist of a plastic skin over copper bowls. Concert musicians play several to make a few notes; your drumming will make a wider note range!
List of instruments in Wii Music - The Nintendo Wiki - Wii, Nintendo DS, and all things Nintendo
Description