Popular American singer-rapper Akon is likely to collaborate with Anubhav Sinha for the Bollywood filmmaker’s upcoming film “Tum Bin 2”.Rapper Akon who has crooned a number of hit numbers made his foray into Bollywood by lending his voice for the chartbuster Chammak Challo for the Shah Rukh Khan starrer Ra.One (2011), If sources are to be believed, Sinha is keen on bringing back Akon to India. And now, the buzz is that the filmmaker has roped in Akon once again to sing Tum Bin 2 end credits with Pakistani singer Atif Aslam.
