Listen to Happening (Remix) online. Happening (Remix) is a Hindi language song and is sung by Wajid Khan, Sunidhi Chauhan, Uvie, Farhad and Raja Mushtaque. Happening (Remix), from the album Main Aurr Mrs Khanna, was released in the year 2009. The duration of the song is 3:45. Download Hindi songs online from JioSaavn.