Shah Rukh Khan is looking forward to the release of his upcoming film 'Jab Tak Hai Jaan' and the actor recently released the second song of his film titled 'saans'. Shah Rukh stated that the music of the movie is very soulful and is all about love. Directed by Yash Chopra, JTHJ's music is composed by A.R. Rahman and the lyrics are penned by Gulzar.