indispensable to this dance. It is a long, double-headed drum with a bulge in the middle, worn around the player's waist. Yak-bera - The Yak-bera ("demon drum") is used in low country dance, in which the dancers wear masks and perform devil dancing, which has become a highly developed form of art. This is a double-headed drum with a cylinderic wooden frame. Dawula - The Dawula is a barrel shaped drum indigenous to the Sabaragamuwa dance style. It is used as an accompanying drum in the past in order to keep strict time with the beat. Thammattama - The Thammattama is a flat, two faced drum. The drummer strikes the drum on the two surfaces on top with sticks, unlike the other traditional Sri Lankan drums, which are played by striking the sides of the instrument. In the Hewisi Ensemble, this may be a companion drum to the aforementioned Dawula. Udekki - A small double headed, hourglass shape hand drum used to accompany songs. It is approximately in length. The face, valayama, is not used to produce sound rather by pressure applied on the string. The middle of the drum, giriya or gela, which means neck in Sinhalese, is narrower than the faces. Rabana - The Rabana is a flat faced circular drum and comes in several sizes. The largest of which has to be placed on the floor in order to be played – which is usually done by several people (normally the womenfolk) who sit around the instrument and beat it with both hands. This is used in festivals such as the Sinhalese New Year and ceremonies such as weddings. The resounding beat of the Rabana symbolizes the joyous moods of the occasion. The small Rabana is a form of mobile drum beat – carried by the performer to produce accompanying drum rhythms for the pieces being performed. Thalampata - The Thalampata are the metal percussion instruments, where two small cymbals are joined by a string. Horanawa - The Horanawa, or Kandian pipe, is an oboe-like double reed instrument that is played during traditional ceremonies in Buddhist temples to accompany the percussive instruments and dance. The mouthpiece is traditionally made of a talipot palm leaf and the remaining sections of jackwood and brass. Hakgediya - The Hakgediya is conch-shell and another form of a natural instrument. The instrument's primary function is for the performer to play it (by