Question: Where was the foremost disciple of the Indian musicologist who wrote the first modern treatise on Hindustani classical music a principal?
Context: 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. Late Pt.  Vishwanath Rao Ringe 'Tanarang' born on 6 December 1922 was a Hindustani Classical Music vocalist and composer.  He belonged to Gwalior Gharana of Hindustani Classical Music.  He composed more than 2000 bandishs in about 200 ragaas, for which he has been enlisted in Limca Book of Records.  He wrote couple of books in past named 'Sangitanjali' and 'Swaranjali' and a recent book `Aacharya "Tanarang" ki Bandishen` was published. Pandit Vishnu Narayan Bhatkhande (Marathi: विष्णू नारायण भातखंडे)(August 10, 1860 – September 19, 1936) was an Indian musicologist who wrote the first modern treatise on Hindustani classical music (The north Indian variety of Indian classical music), an art which had been propagated earlier for a few centuries mostly through oral traditions.  During those earlier times, the art had undergone several changes, rendering the raga "grammar" documented in scant old texts outdated. 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. 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 Sarangadeva (1175–1247), also spelled Sharngadeva or Sarnga Deva, was the 13th-century Indian musicologist who authored "Sangita Ratnakara" – the classical Sanskrit text on music and drama.  It is considered to be the authoritative treatise in Indian classical music by both the Hindustani music and the Carnatic music traditions. 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). Guy L. Beck is a scholar, author, musician, educator, historian of religions, and musicologist.  A Fulbright-Nehru Senior Research Fellow and Visiting Fellow at the Oxford Centre for Hindu Studies (Oxford University, UK), he is Lecturer in Philosophy, Religious Studies and Asian Studies at Tulane University, and Adjunct Professor of Religious Studies at Loyola University New Orleans.  As a scholar and historian of religion, Guy Beck is the first to publish a comprehensive study of the nature and function of sacred sound (Nada-Brahman) in the Hindu religion, which was developed by applying the category of 'sonic theology'.  In a sequel work, he has provided the first extensive analysis of ritual and music in Hinduism through the paradigm of 'sonic liturgy'.  As an educator, he has created the first college textbook on music in the major world religions with an accompanying CD of recordings.  As a musician, Beck is the first American performer of Hindustani vocal music, the first to earn a vocal music degree in India, and the first to perform vocal music in an all-India conference of Hindustani classical music.  As a musicologist, he has produced the first and most complete collection of field recordings, translations, and annotations of the hymns and religious songs of the Radhavallabha Sampradaya, a Vaishnava or Krishna sect based in Vrindaban in northern India. 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. Shrikrishna Narayan Ratanjankar (December 31, 1900 – February 14, 1974) or S N Ratanjankar was a distinguished scholar and teacher of Hindustani classical music, from the Agra gharana.  Foremost disciple of Vishnu Narayan Bhatkhande and Faiyaz Khan of Baroda State, he also remained principal of Bhatkhande Music Institute ("Bhatkande Sangeet Sansthan"), Lucknow, for many years, where he trained many noted names in the field of music.
Answer: Bhatkhande Music Institute