Hegde has sung songs in Kannada, Tamil, Telugu and Hindi.
His rendition of "Gundu Gunuguva" from the film Dalapathi composed by Charan Raj topped the music charts for a year.
Sanjith won the Mirchi Music Awards South Best Upcoming Male Vocalist for the song "Kush Kush" from the film Chamak.
Sanjith Hegde became popular after participating in the Kannada singing reality show Sa Re Ga Ma Pa – Season 13. Following which Sanjith also participated in the Tamil show Sa Re Ga Ma Pa – Seniors, which was broadcast on Zee Tamil.
2017
Sanjith made his singing debut with the song "Gunu Gunuguva" from the film Dalapathi composed by Charan Raj in 2017.
2018
Sanjith made his Tamil debut in the film Kalakalappu 2 with the song "Thaarumaaru", and Telugu debut in the film Krishnarjuna Yudham with the song "I Wanna Fly", in 2018.
Sanjith's popularity as an individual artist and as a playback singer grew after that juncture, with a number of popular new songs.