What was that song they played when Izzie and Alex first saw each other again?! It was amazing and I can't get it out of my head

"End of All Time" দ্বারা Stars of Track and Field. Great band from Portland, OR. They're actually giving away a free mp3 right now when আপনি sign-up to their mailing তালিকা - link

(I think they're pretty excited they were featured on Grey's)