() - percussion instruments Tuning These instruments are played in a musical scale consisting of seven tones, each associated with an animal that is said to be the producer of the tone. Each tone can be played raised, lowered or natural (corresponding to sharp, flat or natural), resulting a possible twenty-one combinations. The pat waing drum circle, for example, consists of twenty-one drums, one tuned to each tone in each possible combination, and the saing saya (maestro) sits in the middle using various parts of his hands to strike the drums to produce a melody. The kyi waing is the gong circle strung up in the same fashion and the gongs are struck with a knobbed stick and in accompaniment to the pat waing. Kyay instruments Kyay or brass instruments feature prominently in Burmese music. They include: Linkwin (လင်းကွင်း) - brass cymbals Kyay nin (ကြေးနင်း) - brass gong Kyay naung (ကြေးနောင်) - small brass gong Maung (မောင်း) - brass gong Kyay si (ကြေးစည်) - triangular gong Chu si (ခြူစည်) - jingle-like gong Kyauk si (ကျောက်စည်) - circular brass gong Maung saing (မောင်းဆိုင်း) - a graduated series of brass gongs Khaunglaung (ခေါင်းလောင်း) - brass bells Thanlwin (သံလွင်) - small brass cymbals Pha si (ဖားစည်) - bronze drums used in Mon, Karen, and Kayah music Kyo instruments Kyo or string instruments in the Burmese musical repertoire include the following: Saung (စောင်း) - the traditional Burmese arched harp Mi gyaung (မိကျောင်) - plucked zither in Mon music Don min (ဒုံမင်း) - plucked zither Thaye instruments Thaye or leather instruments primarily consist of percussive-type drums used in folk ensembles, including: Ozi (အိုးစည်) - open-ended drum with a long body Dobat (ဒိုးပတ်) - short drum slung from the neck when played Byaw (ဗြော) - long drum Bongyi (ဗုံကြီး) - medium-sized long drum commonly used in folk music Bonto (ဗုံတို) - short drum Bonshay (ဗုံရှည်) - long drum carried with a rope round the neck Si (စခွန့်) - big drum Sito (စည်တို) - short drum Sakhun (စခွန့်) - double-headed drum on a stand Patwaing (ပတ်ဝိုင်း) - drum circle Chauklonpat (ခြောက်လုံးပတ်) - drum ensemble consisting of six graduated drums Lei instruments The lei or wind instruments include: Hne (နှဲ) - oboe Palwe (ပလွေ) - flute Khayu thin (နှဲ) - conch shell Bado (ပတိုး) - trumpet of an animal horn or conch shell Khaya (ခရာ) - trumpet-shaped wind instrument Nyin (ငြင်း) Phetleik (ဖက်လိပ်) Letkhok instruments The letkhok or