The Manganiar and related Langha caste are Muslim communities in the desert of Rajasthan, India in the districts of Barmer and Jaisalmer, along the border with Pakistan. Significant numbers are also found in the districts of Tharparkar and Sanghar in the province of Sindh in Pakistan. They are famous for their classical folk music. They are the groups of hereditary professional musicians, whose music has been supported by wealthy landlords and aristocrats for generations.