The top of the rebana ubi or giant drum is made from buffalo hide. The lower part of the drum is hollow and about 0.6 metres in diameters. It is an important traditional Malay musical instrument used not only as accompaniment during various ceremonial rites but also for recreation and competitions. At the end of each harvesting season, villages challenge each other in the art of drum beating. The judges award points on the timing, rhythm, and style of the player as well as the tone of the rebana. On such occasion, the player may be so engrossed in the beating the drum that he has to be forcibly taken away.