The immense popularity of Sambalpuri music lies in it s indigenus rhythmic bits from Dhol, nishaan, muhuri and maadal and from it s tribal origin. The folk musical instruments which are in vogue in the Koshal region are as follows : Dhulak, Pakhoj, Dugitabla, Mridanga, Mardal, Nalbaja, Dhapada, Timkidi, Nagara, Behela, Khanjani, Dhapli, Muhuri, Bansi, Singh-Kahali, Bir-Ka-hali, Ghulghula, Ghunguru, Kendera, Khadkhadi, Ektara, Ghumra, Gini, Kathi, Jhanj, Dhol, Madal, Nishan and Tasha. Out of these the Dhol, Madal, Nishan and Tasha are the four oldest percussion instruments without any modification which have been used in combination or in to two in almost all types of folk songs. Dhol is the oldest instrument of this region, which is the easiest to make. Madal is the second percussion instrument which shows craftsmanship and research. Nishan is the miniature of Nagara which is supposed to be carried by the dancer over his shoulder or around his waist, while he dances.