arijit and debanjana's performance..!!

i luvd arijit and debanjana's performance...it sounded lyk d original soundtrack...

sumone please gv me d mp3 link of dt performance..dere r so many videos on youtube...in sum videos d quality is nt good while in others voices of mandira,karan n audience cn be heard...bt i wnt d song widout all dese things... dere's a video on dailymotion bt it can't be downloaded...everytym i try to downlaod it..it says d url is nt valid...please help..:)