Angklung is a traditional music instrument which plays one tone when shook. For a performance, multiple angklungs must be played in harmony. That’s why there will always be a place for everybody in the concert!
In the past, pentatonic (five-tone) angklung is the norm, but today the bamboo-made instrument adopts modern music principles, allowing us to play any song with it. Of course, being from Indonesia, angklungs are most often used to play traditional Indonesian/Malay songs, but other styles of music are increasingly popular (there’s an angklung cover of Rihanna’s Umbrella on Youtube!).
The founding father of diatonic angklung, Daeng Sutigna, started to create the diatonic-chromatic version of angklung in 1937. Like the other world’s music instruments (piano, organ, violin, etc), it has twelve tones.