A sports stadium anthem, and a listener request from Dawn, is the topic of this week’s Lyrics Undercover. The Fratellis envisioned their first hit as as a rock ‘n’ roll gig in an old speakeasy; no one was more surprised when “Chelsea Dagger” took on its unanticipated life. (This is the monthly free episode of Lyrics Undercover, which is included in the Coverville feed. To subscribe, visit LyricsUndercover.com)