Pastiche is
"A literary, artistic, musical, or architectural work that imitates the style of previous work." (Pastiche) from Merriam-Webster.
"A musical, literary, or artistic composition made up of selections from different works." (Pastiche) from Merriam-Webster
or
"A pastiche is a literary creation that imitates a famous work by another author." (Pastiche) from Poem Analysis.
For example, The British Museum is Falling Down that was written by David Lodge, because he "uses the same wording as appears in a famous soliloquy from James Joyce’s Ulysses." (Pastiche)
This part is pastiche in the book The British Museum is Falling Down.
"He said it’ll be wonderful you’ll see perhaps it will I said perhaps it will be wonderful perhaps even though it won’t be like you think perhaps that won’t matter perhaps."
Works Cited
“Pastiche Definition & Meaning.” Merriam-Webster, Merriam-Webster, 18 Oct. 2023, www.merriam-webster.com/dictionary/pastiche.
“Pastiche.” Poem Analysis, 19 Oct. 2021, poemanalysis.com/genre/pastiche/#:~:text=The%20British%20Museum%20is%20Falling%20Down%20by%20David%20Lodge%20is,soliloquy%20from%20James%20Joyce’s%20Ulysses.
Yasuhiro Takahashi