Allauddin Khan also known as Baba Allauddin Khan was a Bengali shorodi and multi-instrumentalist, composer and one of the most renowned music teachers of the 20th century in Indian classical music.

He was awarded the Padma Bhushan in 1958 and the Padma Vibhushan in 1971, India's third and second highest civilian honours, and prior to that in 1954, the Sangeet Natak Akademi awarded him with its highest honour, the Sangeet Natak Akademi Fellowship for lifetime contribution to Indian music.

Musiri Subramania Iyer (April 9, 1899 - March 25, 1975) was a Carnatic vocalist whose stage performing career spanned the 1920s to the 1940s. After retirement from the stage, he remained an iconic figure in Carnatic music as a dedicated teacher and leader in the Carnatic community. His bhava-laden renditions of Carnatic songs have become the measuring stick for generations of Carnatic vocalists. Musiri Subramania Iyer is one of the giants of Carnatic music in this century.