I was in Forever 21 a few hours ago (this afternoon) at Coral Ridge Mall (in Coralville, Iowa) and heard this song that I tried to pick up several times with my Shazam smart phone app. However, nothing came up. "You are the echo in the back of my head" are the only words I could make out, and they're sung by a female. I've searched for these lyrics on Google multiple times, and the only song that comes up is "Lay My Head Down" by Indigo Girls. The song I heard in Forever 21 is definitely more upbeat and modern than that. From what I can remember, the singer continues to sing "you are the (insert rest of lyrics)" to compare the subject to various things. If anyone could help me out, that would be fabulous!