"Ravanhatha" a bow string instrument is made by bamboo & coconut shell mainly by player himself. It consists nearly 17 strings in which two main strings are called "Roda" and "Chadhav" tied with 15 "Moranis" and 2 "Moranas". "Chadhav" string is made by horse tail hairs. The bow is made by local wood called "Gengan" with horse tail hairs. This instrument is attached with folk hero "Pabuji" epic performance and performer is called as BHOPA of Pabuji. They belongs to Nayak, Bhil or Thori caste group in Rajasthan.
Rajasthan is one of the states of India and home to several important centers of Indian musical development, including Udaipur, Jodhpur and Jaipur. The region's music shares similarities both with nearby areas of India and the other side of the border, in the Pakistani province of Sindh. Rajasthan has a diverse collection of musician castes, including langas, sapera, bhopa, jogi and Manganiar. There are two traditional classes of musicians: the Langas, who stuck mostly exclusively to Muslim audiences and styles, and the Manganiars, who had a more liberal approach. Traditional music includes the women's Panihari songs, which lyrically describes chores, especially centered around water and wells, both of which are an integral part of Rajasthan's desert culture. Other songs, played by various castes, normally begin with the alap, which sets the tune and is followed by a recital of a couplet (dooba). Epic ballads tell of heroes like Devnarayan Bhagwan, Gogaji, Ramdeoji, Pabuji and Tejaji. The celebration of changing seasons is also very central to folk music of Rajasthan. Celebration of the coming of the Monsoons or the harvest season are central to most traditional folk songs. Songs also revolve around daily activities of the local people for instance a song about not sowing Jeera (Cummin) as it is difficult to tend. Or for instance another song about Podina (Mint) and how it is liked by various members of the family (an allegorical reference to a local li