Usha was born in Bombay,in a Tamil Brahmin family of Vaidyanath Someshwar Sami that hailed from Madras in Tamil Nadu in 1947. She studied at St. Agnes High School (Clare Road,Byculla). Even though she was not formally trained in music, she grew up in an atmosphere of music. Her parents used to listen to a wide range from Western classical to Hindustani and Carnatic including Kishori Amonkar and Bade Ghulam Ali Khan on radio and she used to join them. She used to enjoy listening to Radio Ceylon.
Padma Shri fourth highest civilian award presented by Government of India
Best Female Playback Singer : “Darling” from 7 Khoon Maaf (2011) (Shared with Rekha Bhardwaj)