Unlike what the name implies, the Log drum is a drum, has no skin. It is a tribal idiofone roots, where the blade is impacted (often in the form of tongue) and is coupled to the resonance box. Around the world were found similar instruments, in various formats, making it impossible to decide their origin. In older instruments is common that the instrument is constructed in one piece. In the latest case, the struck zone is commonly designed in denser woods, and resonance boxes of wood lighter, thus helping the role of each, and also enabling greater control of pitch. LOG DRUM MISSOM® is generally parallelepiped in various sizes, depending on the number of notes and pitch desired, up to six blades per box, and can be built individually, note by note.