Gandang tambua is one of the Indonesian traditional music (esp. Minangkabau – West Sumatera) ensembles. It is primarily used in traditional activities and custom ceremonies performed out-door by their communities. The musical genre is potential to be improved become a new musical ensemble built based on several musical instruments and the arrangements of their tones horizontally and vertically. In addition, there are some new instruments to be completed in order
to become a musical system and an ensemble. The ensemble is called Gong Tambur Madi. The ensemble can function as a musical expression based on the Indonesian local aesthetics, so that it becomes a global aesthetic commonly needed right now everywhere, especially in Indonesia.
Key words: gandang tambua, improved, ensemble, out-door music, aesthetics
