question: Where was the foremost disciple of the Indian musicologist who wrote the first modern treatise on Hindustani classical music a principal?
answer: Bhatkhande Music Institute
context: Title: Shrikrishna Narayan Ratanjankar
  Passage: 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.
  Title: Vishwanath Rao Ringe
  Passage: 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.
  Title: List of Indian classical music festivals
  Passage: 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
  Title: Vishnu Narayan Bhatkhande
  Passage: 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.
  Title: Mukul Shivputra
  Passage: 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.
  Title: Sawai Gandharva
  Passage: 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.
citations: Shrikrishna Narayan Ratanjankar Vishnu Narayan Bhatkhande