Newgate Prison (also known as the Old Bailey after the street on which it stands) now stands upon its site. The original door from a prison cell used to house St. Oliver Plunkett in 1681 is on display at St. Peter's Church in Drogheda, Ireland. The original iron gate leading to the gallows was used for decades in an alleyway in Buffalo, New York, USA and is currently housed in that city at Canisius College. Other famous prisoners at Newgate include: The phrase "[as] black as Newgate's knocker" is a Cockney reference to the door knocker on the front of the prison.
What the World Needs Now (Glee) by The Carpenters was sung by Overstreet. "Promises, Promises" from the musical "Promises, Promises" was sung by Michele. "Alfie" by Cilla Black was sung by Rivera. "What the World Needs Now Is Love" by Jackie DeShannon was sung by all the aforementioned performers and Morrison except Morris and Rivera. Accompanying the music from this episode, the EP "Glee: The Music, What the World Needs Now" was released on February 6, 2015. The episode was watched by 1.58 million viewers and received a 0.5 rating/2 share in the adult 18-49 demographic, marking this episode the least watched and lowest rated episode