In a gesture that underlines his deeply personal approach to filmmaking, Aamir Khan travelled to Murshidabad to meet singer Arijit Singh for the recording of Ek Din's first song. Aamir Khan Productions has now unveiled a special video capturing the heartfelt collaboration behind the film's title track. Reports of Arijit Singh's possible retirement had earlier sparked speculation across the music industry. Determined to have the singer's voice shape the emotional core of Ek Din, Aamir personally visited Murshidabad and spent four days with Arijit and his family.