Ae Dil Hai Mushkil title track: Ranbir Kapoor's unrequited love finds the perfect voice in Arijit Singh!

Arijit Singh may have missed out on singing Jag Ghoomeya for Salman Khan's Sultan,but he has under his belt one of the most beautiful songs of the year thanks to Ranbir Kapoor's Ae Dil Hai Mushkil!