Ae dil hai muskil awsum tremdous song.it’s lyrics music is just the young youth wont’s even the older age can hear dis song.ae dil hai lyrics are so catchy.even the tralier people are seen is awsum.in this song the chemistry between ranbir anushka n ranbir ash is jst hot n sizzling.even the song is so awsum den m sure even movie is going to b awsum.so people just go on hearing ae dil hai muskil.it is sung by MA fav argit singh. Singer of medlous love songs.who won heart of whole world.and on dat ranbir kapoor sang song in movie which is most awsum things