Ustad Amir Khan (pronounced [əˈmiːr xaːn]) (April 1912– 13 February 1974)[4][5] was one of the most popular Indian classical vocalist worldwide. He is considered one of the most influential figures in Hindustani classical music, and was the founder of the Indore gharana.

Ustad Bade Ghulam Ali Khan (c. 2 April 1902 – 23 April 1968) was an Indian Hindustani classical vocalist, from the Patiala gharana.

Early life and background
Ustad Bade Ghulam Ali Khan was born in Kasur, of the erstwhile Punjab Province, British India in 1902. Following partition of India in 1947, Kasur District was allocated to Pakistan.

At the age of five, Bade Ghulam began training in vocal music from his chacha Kale Khan, and later from his father. He had three younger brothers namely Barkat Ali Khan, Mubarak Ali Khan and Amanat Ali Khan.

उस्ताद फैयाज खान (8 फरवरी 1886 - 5 नवंबर 1950) एक भारतीय शास्त्रीय गायक थे, जो हिंदुस्तानी शास्त्रीय संगीत के आगरा घराने के प्रतिपादक थे। स्वरगंगा म्यूजिक फाउंडेशन की वेबसाइट के अनुसार, "बड़ौदा में उनकी मृत्यु के समय तक, उन्होंने सदी के सबसे महान और सबसे प्रभावशाली गायकों में से एक होने की प्रतिष्ठा अर्जित की थी।

Dilshad Khan is a Hindustani classical singer.

Early life and background
Khan was born Arabinda Dasgupta in Kolkata. Dilshad is the younger brother of eminent sarod maestro Buddhadev Das Gupta[citation needed]. He attended St. Xavier's Collegiate School, Kolkata, where future music composer R. D. Burman was his classmate.

Ustad Faiyaz Khan (8 February 1886 – 5 November 1950) was an Indian classical vocalist, an exponent of the Agra Gharana of Hindustani classical music. According to SwarGanga Music Foundation website, "By the time he died at Baroda, he had earned the reputation of being one of the greatest and most influential vocalists of the century.