<Table> <Tr> <Th colspan="5"> OK Jaanu Track listing </Th> </Tr> <Tr> <Th> No . </Th> <Th> Title </Th> <Th> Lyrics </Th> <Th> Singer ( s ) </Th> <Th> Length </Th> </Tr> <Tr> <Td> 1 . </Td> <Td> `` OK Jaanu '' </Td> <Td> Gulzar </Td> <Td> A.R. Rahman , Shrinidhi Venkatesh </Td> <Td> 03 : 26 </Td> </Tr> <Tr> <Td> 2 . </Td> <Td> `` The Humma Song '' </Td> <Td> Mehboob ( original lyrics ) Badshah ( rap ) </Td> <Td> A.R. Rahman , Jubin Nautiyal , Shashaa Tirupati , Badshah , Tanishk Bagchi </Td> <Td> 02 : 59 </Td> </Tr> <Tr> <Td> 3 . </Td> <Td> `` Enna Sona '' </Td> <Td> Gulzar </Td> <Td> Arijit Singh </Td> <Td> 03 : 33 </Td> </Tr> <Tr> <Td> 4 . </Td> <Td> `` Jee Lein '' </Td> <Td> Gulzar </Td> <Td> Arjun Chandy , Neeti Mohan , Savithri R Prithvi </Td> <Td> 04 : 46 </Td> </Tr> <Tr> <Td> 5 . </Td> <Td> `` Kaara Fankaara '' </Td> <Td> Navneet Virk , Kaly , Hard Kaur & ADK </Td> <Td> Kaly , Hard Kaur , ADK , Shashaa Tirupati , Ashima Mahajan , Paroma Das Gupta </Td> <Td> 05 : 47 </Td> </Tr> <Tr> <Td> 6 . </Td> <Td> `` Saajan Aayo Re '' </Td> <Td> Gulzar </Td> <Td> Jonita Gandhi , Nakash Aziz . </Td> <Td> 06 : 09 </Td> </Tr> <Tr> <Td> 7 . </Td> <Td> `` Maula Wa Sallim '' </Td> <Td> Traditional </Td> <Td> A.R. Ameen , A.R. Rahman </Td> <Td> 03 : 12 </Td> </Tr> <Tr> <Td> 8 . </Td> <Td> `` Sunn Bhavara '' </Td> <Td> Gulzar </Td> <Td> Shashaa Tirupati </Td> <Td> 04 : 23 </Td> </Tr> <Tr> <Td colspan="4"> Total length : </Td> <Td> 34 : 15 </Td> </Tr> </Table>
who sang humma humma in the movie ok jaanu
A.R. Rahman Jubin Nautiyal Shashaa Tirupati Badshah Tanishk Bagchi