The phrase "a backdrop in an" is correct and usable in written English.
It can be used when describing a setting or context for an event, scene, or situation, often in artistic or narrative contexts.
Example: "The artist chose a vibrant sunset as a backdrop in an emotional painting."
Alternatives: "a setting in a" or "a background in a".
My relationship to it was, for some time, like the effect of a picturesque landscape that hangs as a backdrop in a portrait studio".
One used the statue as a backdrop in a beer ad -- problematic in a land where the church campaigns against drunkenness.
The victim's choices, preferences, actions, and relationships are either boiled down to a heap of clues and red herrings, or offered as a backdrop in a spirit of dutiful empathy before getting down to the business at hand.
The festival, a civic gesture conceived by the business partners Robert De Niro and Jane Rosenthal to help downtown New York overcome a nightmare, has assets, including its enormous size, a catholic range of film interests and a backdrop in a world-class city.
His last work, "Polyphonia," was minimalist and moving, placing four couples onstage, their shadows dancing hauntingly on a backdrop, in a series of 10 duets, trios and quartets danced to piano music by the 20th-century Hungarian Gyorgi Ligeti.
Featuring yellow steel "umbrella masts", the futuristic single-storey glass-walled building was also used as a backdrop in A View To A Kill in 1984.
This last year alone it served as a backdrop in movies as different as "Tyrannosaur" (a Gothic tragedy), "The Arbor" (a documentary) and "Weekend" (a gay romance).
Used as a backdrop in The Greatest Story Ever Told, a Biblical epic shot in 1965, the set is a re-creation of ancient, decadent Babylon.
Today the scenic University appears regularly as a backdrop in Hollywood movies, but an early foray went badly when Paramount was granted permission to film a comedy called Varsity.
