Popular Bollywood singer Arijit Singh has lent his voice for a romantic track "Main hu tu ho" for the upcoming light-hearted film "Days of Tafree".Composed by Bobby and Imran, the song is an instant connect to all those who have fallen in love during college days. "The day the song was made, we had Arijit only as our first choice. When Arijit heard the song, he got excited as he felt the song had a fresh feel to it and it would be a clutter breaker," a statement issued on behalf of Bobby and Imran quoted them as saying."The best part about Arijit is being a talented musician he understands what the song requires and makes every song his own and you will see he has taken the song to a different level with its simplicity," they added."Days of Tafree" has been produced by Anand Pandit and Rashmi Sharma, and directed by Krishnadev Yagnik.