Odissi presents a fine synthesis of lasya (feminity) and Tandava aspects of the Indian Classical Dance. The dancer very efficiently changes from one to the other according to the need of the expressional number, rhythmic syllables and abhinaya. The dance numbers are either in Sanskrit or Orissi and the music is a combination of Hindustani and Carnatic classical styles. To know more read:
http://www.indianetzone.com/18/performance_odissi_dancers.htm