The Kids Aren't Alright in episode 6 of Roleplay Retcon does Twilight, and the adults aren't doing great, either. Bradley and Estella have to deal with the contents of the mystery box that arrived at the Swan house, and Carlisle has a grim diagnosis for Madge.
"The Dragon of Round Rock," "All We're Offered," and "Small Enough to Fit in Your Pocket" from the album Eschatologies by The Wolves of Chernobyl.
"Moonlight Sonata" by Beethoven.
Original Twilight score by Carter Burwell.