The music launch of 'Chaamp' became the witness of several memorable incidents. While the ceremony saw tears in superstar Dev's eyes, it also saw Jeet Gannguli, who has composed songs for 'Chaamp' and 'Boss 2', the films that will clash at the box-office on 23rd June, calling both the movies like his child. 'Dangal' fame rapper Raftaar was present on the stage, who sang 'Dekho Dekho Chaamp' when Dev joined him. An elated Rukmini shared her experience of doing the film. Check out the special moments from the event here.