Sleepy Hollow - Season 3, Episode 16: Soundtracks

Jenny sings the song after she and Joe decipher the musical code within Betsy's flag.  

Ichabod reads through the song while trying to figure out where Betsy's flag is hidden.

Abbie plays the tune on stone lyre of Orpheus at Fort McHenry. 

Ichabod & Abbie recite part of the song to active Betsy's flag to open the path to the catacombs.

Joe and Jenny decipher the code in Betsy's flag; Ichabod reads through the song while figuring out where Betsy's flag was hidden; [0:46] repeats as Abbie plays the tune on the stone lyre at Fort McHenry; [0:56] Ichabod and Abbie recite part of the song to active Betsy's flag and open the path to the catacombs.