Like many tribal communities, the Oraons of Chhota Nagpur region of Bihar perform dance to celebrate each of the seasons. They perform Karma dance during the rains, Boroya dance during the autumn, Soharai just before the winter, Kharia during spring and Jadur, on the threshold of summer towards the end of February and beginning of March. Both men and women participate in the Jadur dance. For the musical accompaniment the instruments used are : Mandar and Dholak, both drums with two faces; Turhi, a straight trumpet; Jhanj, the cymbals; Theska, a wooden idiophone; Soynko, a circular iron rod attached with jinglebclls and shaken rhythmically.