Mithun Sharma, also known as Mithoon, is an Indian Hindi film music director, lyricist-composer and singer.

"Tum Hi Ho" is an Indian Hindi-language romantic song from the 2013 Indian film Aashiqui 2, sung by Arijit Singh. It was composed and written by Mithoon. Picturised on Aditya Roy Kapur and Shraddha Kapoor, it was released by Bhushan Kumar under T-Series, wand was in the top 10 of Planet Bollywood for eight weeks and capturing the first spot on the Top 20 of MTV India for seven weeks. It has garnered 700+ million views on YouTube.