whats the song they played tonight on the new years episode when spencer asked heidi to move in w/ him.....AT THE VERY END when Lo and Lauren are walking away from cafe sushi...and it goes sumthin like.."why should i change...it's time to fly..isn't it strange"....or sumthin like that!?!?...it seems like it would be entitled "Isn't it Strange"..??!??!??