<Tr> <Th> Dear Zindagi </Th> <Td> "Tu Hi Hai" </Td> <Td> Amit Trivedi </Td> <Td> Kausar Munir </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> "Taarefon Se" </Td> </Tr> <Tr> <Td> "Ae Zindagi Gale Laga Le" (Take 1) </Td> <Td> Gulzar </Td> </Tr> <Tr> <Th> Dongri Ka Raja </Th> <Td> "Piya Tu Piya" </Td> <Td> Asad Khan </Td> <Td> Raqueeb Alam </Td> <Td> Chinmayi Sripada </Td> <Td> </Td> </Tr>

How many number of songs sung by arijit singh