Question: Madhup Mudgal is an Indian Hindustani classical music vocalist, and is a disciple of who, which was a Hindustani classical singer, well known for his unique vocal style and his refusal to be bound by the tradition of any gharana?

full_context: Document 1: Suman Ghosh: Pandit Suman Ghosh is an internationally acclaimed Hindustani Classical Vocalist of the Mewati Gharana of Hindustani Classical Music and a torch-bearing disciple of Sangeet Martand Pandit Jasraj. He is the founder and President of the Center for Indian Classical Music of Houston (CICMH).
Document 2: Kumar Gandharva: Kumar Gandharva or Shivaputra Siddharamayya Komkalimath (pronunciation:] (8 April 1924 – 12 January 1992) was a Hindustani classical singer, well known for his unique vocal style and his refusal to be bound by the tradition of any gharana. The name "Kumar Gandharva" is a title given to him when he was a child prodigy; a Gandharva is a musical spirit in Hindu mythology.
Document 3: Madhup Mudgal: Madhup Mudgal is an Indian Hindustani classical music vocalist., known for his khayal and bhajan renditions. A disciple of Kumar Gandharva, he is also a composer, conductor and has been principal of the Gandharva Mahavidyalaya, Delhi, a music and dance school since 1995.
Document 4: Kishore Kumar: Kishore Kumar (4 August 1929 – 13 October 1987) was an Indian playback singer, actor, lyricist, composer, producer, director, and screenwriter. He is considered one of the successful playback singers in the Hindi film industry.
Document 5: Sawai Gandharva: Ramachandra Kundgolkar Saunshi, popularly known as Pandit Sawai Gandharva (January 19, 1886 – September 12, 1952), was a popular Hindustani Classical vocalist and Marathi stage actor of the Kirana Gharana. He was the first and foremost disciple of Utd. Abdul Karim Khan and guru of Bharat Ratna laureate Pt. Bhimsen Joshi. Pt. Gandharva is most well known for popularizing the stylings of the Kirana Gharana through his accomplished disciples, including Pt. Bhimsen Joshi, Dr. Gangubai Hangal, Firoz Dastur, and Pt. Basavaraj Rajguru.
Document 6: Sanhita Nandi: Sanhita Nandi is a prominent Hindustani classical vocalist of the Kirana Gharana. The central motif of her style is slow tempo "raga" development (voice culture, voice throw, and tonal application) and ornamented "sargams".Sanhita Nandi has rightly established herself as a leading exponent of Khayal, earning high acclaim from discerning critics and enthusiastic audiences on an international scale. Sanhita has developed a distinctive singing style based on firm grounding of traditional training (or taleem), combining pure lyricism with impeccable technique.To further enrich her repository of Kirana Lineage and traditional compositions, Sanhita continues to get trained under the able guidance of Ustad Mashkoor Ali Khan.The heart of her music is the slow, leisurely development of Raag Bhava in Merukhand style in Ati vilambit. The vistar is richly embellished by meend, harkat, and sargams. As the badhat gets slowly ornamented in the choicest pearls of melodic variations that build the sculpture of the raga, it slowly gets decorated into faster tempo where it befriends sargams, chota khayal, tarana and soft silky sapat taans .Extreme care is taken not to disrupt the Raag Bhava even in faster tempo .Even the phirat adds to the wet, warmth of feelings embedded in the raga.
Document 7: Kumar Bose: Kumar Bose (born 4 April 1953) is an Indian tabla maestro and composer of Indian classical music. Bose belongs to the Benaras Gharana style of tabla playing. Having honed his skills under the tutelage of the legendary Pandit Kishan Maharaj, Pandit Bose rose to prominence with his flamboyant performances with Pandit Ravi Shankar. In addition to his musical abilities, Bose is also an awarded sportsman, a carrom champion, and fluently speaks four languages. In a career spanning more than four decades,Pandit Kumar Bose has established himself as one of the leading exponents of the tabla and an internationally recognised face in the world of Indian Classical Music. He received the Sangeet Natak Akademi Award in 2007.
Document 8: Ramesh L. Nadkarni: Ramesh Laxman Nadkarni (1921–1995) was a Hindustani classical music singer from Jogeshwari. Nadkarni a disciple of Aman Ali Khan had composed over 250 melodies and Ragas. He was honored for his dedicated lifelong service to classical music and was awarded a fellowship by Sursingar Sansad, Mumbai. He was part of BHENDI BAZAR GHARANA.
Document 9: Mukul Shivputra: Pandit Mukul Shivputra (born 25 March 1956) (previously known as Mukul Komkalimath) is a Hindustani Classical vocalist of the Gwalior Gharana and the son and foremost disciple of Pt. Kumar Gandharva.
Document 10: Hafeez Ahmed Khan: Hafeez Ahmed Khan (died 2006) was an Indian classical musician of Hindustani classical music. He is known as one of the leading exponents of the Rampur-Sahaswan gharana, a musical school popular in the northern parts of the Indian state of Uttar Pradesh. He learnt music in gurukul system and pursued his academic studies the conventional way, secured a master's degree in politics and taught at the Minnesota University. He was a deputy director of the All India Radio and the vice chancellor of the Indira Kala Sangeet University, the only Indian university dedicated to music. He mentored many disciples such as Rajendra Prasanna, Roma Rani Bhattacharya, Sakuntala Narasimhan and Subhendu Ghosh and acted in a German movie on the life of Tansen, by name, "The Rain Maker". He was a recipient of the 1996 Sangeet Natak Akademi Award. The Government of India awarded her the fourth highest civilian honour of the Padma Shri in 1991. Hafeez Ahmed Khan, who was married to the daughter of renowned singer, Nissar Hussain Khan, died in 2006.
Document 11: Patiala gharana: The Patiala gharana is one of the "gharanas" of vocal Hindustani classical music. It was founded by Ustad Fateh Ali Khan and Ustad Ali Baksh Khan (known as Alia-fattu) and was initially sponsored by the Maharaja of Patiala, Punjab and was known for ghazal, thumri, and khyal styles of singing.
Document 12: Music in Varanasi: Music in Varanasi is a tradition linked to the ancient times of the Pauranic legends. Lord Shiva, who is reported to have established this city, was credited with developing music and dance forms. Legend also attributes that Renu, son of sage Vishvamitra and Mahagobind, was the precursors of music tradition in Kashi (Varanasi) when nymphs (Apsaras), Gandharvas and Kinnaras were the traditional practitioners of this art form, and saint Chaitanya and Vallabhacharya were the pioneers in spreading this music tradition in Varanasi. Notable musicians of Varanasi include the iconic sitar player Ravi Shankar, the Shehnai maestro Bismillah Khan, and the vocal music singer Girija Devi. Varanasi has joined the global bandwagon of UNESCO "Cities of Music" under the Creative Cities Network. Varanasi chosen in music category of creative cities network clearly signifies the rich musical heritage of this ancient city.
Document 13: Mani Prasad: Pandit Mani Prasad is an Indian vocalist in the Hindustani classical tradition. An exponent of the Kirana Gharana (school) of Hindustani Classical Music, he is renowned for his purity in the "khayal" form of singing, as well as for his popular renditions of devotional music ("bhajans" and "abhangs"). He is known to have made many new Ragas and given new dimensions to existing ones under his collection, Dhyan Rang Piya.
Document 14: Smitha Madhav: Smitha Madhav is an accomplished and performing Carnatic Classical Singer and Bharatanatyam Dancer. Carnatic music is a system of music commonly associated with the southern part of India and one of the two main classifications of Indian Classical Music (the other being Hindustani Classical Music). Smitha is an eminent and versatile artist in both forms of these fine arts.
Document 15: Omkarnath Thakur: Omkarnath Thakur (24 June 1897 – 29 December 1967), his name often preceded by the title Pandit, was an influential Indian educator, musicologist, and Hindustani classical singer. He is famously known as "Pranav Rang", his pen-name. A disciple of classical singer Vishnu Digambar Paluskar of Gwalior gharana, he became the principal of Gandharva Mahavidyalaya, Lahore, and later went on become the first dean of the music faculty at Banaras Hindu University.
ground_truth: Kumar Gandharva