"Walkin' After Midnight" is a song by Patsy Cline that has appeared three times in Lost. In "What Kate Did", Kate plays it on the Swan record player as she is tending to unconscious Sawyer. In "Two for the Road", the song is heard playing on Christian Shephard's car radio. Finally, Kate hears the song in the tow truck in "Left Behind". The original 1957 version is heard each time.