Bhatt Babulal Chunnilal (harmonium, vocals), Bhatt Raju Mangilal (vocals, harmonium) Bhatt Sureshlal Babulal (dhol, dholak, vocals) and Bhatt Anil Babulal (dholak, chol, vocals) are members of the Langa tribe, a nomadic Gypsy gribe of Rajasthan. The musicians are all related to each other and hail from a family of musicians in which for many generations the folk traditions were, and still are handed down from father to son. Their music is pure Rajasthani folk music.