Actor Vedang Raina said he thought Ranbir Kapoor was a good singer and really wanted to see BTS (behind-the-scenes) of the movie 'Rockstar' to see if Ranbir could sing. "Ranbir's real-life singing is really bad. It goes to show how good he is (at acting)," Vedang stated. He acted in the movie 'Jigra' which released recently.