Smallville - Season 4, Episode 21: Soundtracks

At the beginning, when Chloe signs Brendan's yearbook

At the Talon, when Lois and Clark talk about the missing "most likely to"s

At the end, when Lana, Chloe and Clark leave Smallvile High for the last time

Song is actually called "Ms. Vandersanden". At the beginning when Chloe sign's Brenden's yearbook and realizes she's in a "fake" Smallville High

Song is actually called "Ms. Vandersanden". At the beginning when Chloe sign's Brenden's yearbook and realizes she's in a "fake" Smallville High