Gong Si Bolong is an art form from Indonesia which was developed by the people of Depok City.[1] Nowadays, this art are showing this existence on a musical group in Depok City.[1][2]
1 2 (in Indonesian)Jonathans, Yano. 2011. Depok Tempo Doeloe: Potret kehidupan sosial dan budaya masyarakat. Jakarta: Libri.