US Patent 9734808 Outdoor musical drum structures

A drum configured for permanent installation in an outdoor environment is presented. The drum comprises a mounting structure configured to permanently engage a mounting surface in the outdoor environment. The drum also comprises a shell coupled to the mounting structure. The drum also comprises a drum head coupled to the shell through use of a plurality of fasteners. The drum head comprises a tuned configuration. The drum structure is configured to be weather resistant. The drum head is configured to maintain the tuning configuration after a period of outdoor exposure.