Abstract: One embodiment of the present invention is a percussion addition for a stringed instrument, such as a guitar, comprised of a hollow disc with a face, and a hollow support adapted for connection to an off-set sound hole in a stringed instrument. The percussion addition may be provided as a kit with interchangeable percussion additions. Alternatively, the kit may include percussion additions with the discs that are removable from the support and allow different discs to be received by the same support. Further, this invention includes a combination stringed and percussion instrument comprised of a stringed instrument with one or more percussion additions affixed to select off-set sound holes.