Question: Rattan Mohan Sharma (born 14 June 1971) is an Indian classical vocalist, he performs folk music including Bhajan, it refers to any song with religious theme or spiritual ideas, in a regional what?
Sentence (from "Mahesh Kale"): Mahesh Kale (Devanagari: महेश काळे; born: 12 January, Pune, India) is a San Francisco Bay Area (United States) based Indian Classical vocalist renowned for his specialization in Indian Classical (Hindustani), Semi-Classical, Devotional music including Natya Sangeet.
Relevant evidence: No