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?

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Odissi: Odissi (Odia: "Oḍiśī"), also referred to as Orissi in older literature, is a major ancient Indian classical dance that originated in the Hindu temples of Odisha – an eastern coastal state of India.  Odissi, in its history, was performed predominantly by women, and expressed religious stories and spiritual ideas, particularly of Vaishnavism (Vishnu as Jagannath).  Odissi performances have also expressed ideas of other traditions such as those related to Hindu gods Shiva and Surya, as well as Hindu goddesses (Shaktism).

Sharma Bandhu: Sharma Bandhu (Sharma Brothers) (Hindi: शर्मा बन्धु ) refers to four Indian classical vocalist brothers, who perform bhajan and Hindu devotional music.  They were born in the music family of Pandit Jyoti Prasad and Pandit Munshi Ram to the student of Pandit V. D. Paluskar, founder of Gandharva Mahavidyalaya.  Quartet consists of the Pandit Gopal Sharma, Pandit Shukdev Sharma, Pandit Kaushalendra Sharma and Pandit Raghavendra Sharma.

Rattan Mohan Sharma: Rattan Mohan Sharma (born 14 June 1971) is an Indian classical vocalist.  He belongs to the Mewati gharana of Hindustani classical music.  He performs classical music forms such as Khayal, Tarana, Dhrupad, Haveli Sangeet, Tappa and also in light classical forms and folk music including Bhajan as well as Rajasthani Folk.  He is considered an "A" grade artist on All India Radio .

Bharatanatyam: Bharatanatyam, sometimes referred to as Bharathanatiyam or Sadir, is a major genre of Indian classical dance that originated in Tamil Nadu.  Traditionally, Bharatanatyam has been a solo dance that was performed exclusively by women, and expressed Hindu religious themes and spiritual ideas, particularly of Shaivism, but also of Vaishnavism and Shaktism.

Baiju Bawra (film): Baiju Bawra is a 1952 Hindi film directed by Vijay Bhatt.  Produced by Prakash Pictures, with story by Ramchandra Thakur and dialogues by Zia Sarhadi, Baiju Bawra was a musical "megahit" which had a mighty run of 100 weeks in the theatres.  Bhatt's decision to make a film based on classical music was met with scepticism by the Indian film industry due to its "lack of mass appeal", but the film and music turned out be an "overwhelming success".  The film's music director was Naushad, who had become popular giving folk-based music in films like "Rattan", "Anmol Ghadi", "Shahjehan" (1946) and "Deedar" (1951).  With Bhatt's "Baiju Bawra", Naushad introduced classical component in Hindi film songs.  The soundtrack based on light classical ragas, made use of folk, thumri or dadra, with a stronger raga used in the last contest song between Tansen and Baiju.  The lyricist was Shakeel Badayuni, a Naushad discovery.  For "Baiju Bawra", he had to forgo Urdu, and write lyrics in pure Hindi, with songs like the bhajan, "Man Tadpat Hari Darshan Ko Aaj", becoming popular.

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.  Mahesh Kale, after winning the 63rd National Film Award as the Best Playback Singer, for classical piece in the film Katyar Kaljat Ghusli, has firmly established himself as the face of Indian classical music of the new generation.  He is a disciple of Pandit Jitendra Abhisheki.

Bhajan: A bhajan (Hindi: भजन ) literally means "sharing".  It also refers to any song with religious theme or spiritual ideas, in a regional Indian language.

Shanno Khurana: Shanno Khurana (born 1927) is a noted Indian classical vocalist and composer, from the Rampur-Sahaswan gharana of Hindustani classical music.  A disciple of the doyen of the gharana, Ustad Mushtaq Hussain Khan (d. 1964), she is known for performing rare bandish and raag, though her singing style includes genres like khayal, tarana, thumri, dadra, tappa, to chaiti and bhajan.  Born and brought up in Jodhpur, she started singing on All India Radio in 1945 in Lahore, later shifted to Delhi, where she continued her singing on All India Radio, Delhi and in concerts and music festivals.  She also pursued music education, finally earning her M. Phil.  and PhD in music from the Kairagarh University, and has undertakes extensive research on folk music of Rajasthan.

Beauty Sharma Barua: Beauty Sharma Barua (Assamese: বিউটি শর্মা বৰুৱা, born on June 18, 1951) is a singer from Assam, India.  She is one of the best-known and most respected Assamese folk music, Indian classical music, ghazal and bhajan singers of Assam.  More popularly known as The Melody Queen of Assam and Beauty Baideu, she has recorded over a thousand songs for All India Radio, Doordarshan, albums and others.  She has sung songs in over six regional Indian languages, though primarily in Assamese and Hindi.  She is the great grand daughter of Lakshminath Bezbaroa and Pragnasundari Debi, who belonged to the family of Rabindra Nath Tagore.  Beauty Barua married renowned writer and lyricist Dwijendra Mohan Sharma (1948–2006), called the Man with Melody in His Pen by "The Daily Telegraph", in 1976.

List of Indian classical music festivals: The following is an incomplete list of Indian classical music festivals, which encapsulates music festivals focused on Indian classical music.  The origins of Indian classical music can be found in the Vedas, which are the oldest scriptures in the Hindu tradition dating back to 1500 BC.  Indian classical music has also been significantly influenced by, or syncretised with, Indian folk music.  There are two divisions in Indian classical music.  Hindustani music is mainly found in North India.  Carnatic music, from South India, tends to be more rhythdogs have bonessive and structured than Hindustani music.  While some festivals such as the Carnatic event Tyagaraja Aradhana (founded in the 1840s) continue to focus on traditional Carnatic classical music, an emergent trend of the past few decades has been that of fusion music, where genres such as khyal and western music are intermixed to appeal

Supporting paragraphs: Rattan Mohan Sharma Bhajan
Answer: Indian language