A lion mask dancer is added in some forms. Shouts and action are part of the performance. In some forms, performers fall into trance. However, traditional angklung music like what is described can also be used for entertainment. Other traditional angklung music is performed indoors.
Dance improvisation is common in all forms.
Some of the names for traditional angklung music in Sunda are Reak, Buncis, Ogel, etc. Buncis Photo by K. Han Linggajaye Village, Sunda, Indonesia 2. By the beginning of the twentieth century, traditional angklung music gradually disappeared in the cities due to its vulgar nature. In the 1930s, Daeng Sutigna, a Western educated teacher in the Dutch school in Sunda, cooperated with an instrument maker and introduced the newly tuned angklung instruments to a boy scout troop. Before long, many schools established angklung clubs as part of their extra-curriculum activities.