NIGHTMARE ALLEY, the musical, played in Los Angeles at the Geffen Playhouse from April 13-May 23, 2010. It was based on a book and score created by Jonathan Brielle in 1966, which played off-Broadway for just 15 performances.

http://www.guidetomusicaltheatre.com/shows_n/nightmarealley.html

Reviews of the 2010 run starring James Barbour (and directed by Gilbert Cates) were mixed; here is a sample of what appeared in the local press during its run.

Some of the reviews contain photos of the set(s) constructed for the play at the Geffen.

http://www.curtainup.com/nightmarealleyla.html

https://www.ocregister.com/2010/04/22/in-la-nightmare-alley-brings-noir-tale-to-creepy-life/

https://issuu.com/geffenplayhouse/docs/nightmarealley_program-issuu
A digital reproduction of the playbill for the performance

https://www.theatermania.com/los-angeles-theater/news/review-roundup-nightmare-alley-opens-at-the-geffen_26685.html

https://www.theatreinla.com/nightmare-alley/311/
A capsule summary of reviews filed for the 2010 show

https://www.playbill.com/article/photo-call-nightmare-alley-at-the-geffen-playhouse-com-167828

https://www.latimes.com/archives/la-xpm-2010-apr-23-la-et-nightmarealley-20100423-story.html

https://www.broadwayworld.com/los-angeles/article/James-Barbour-Closes-Geffen-Playhouses-NIGHTMARE-ALLEY-Musical-523-20100523

https://www.backstage.com/magazine/article/nightmare-alley-64141/