Try using Gilbert and Sullivan, they're pretty fun. Example from Thepsis: ALL. Goodness gracious How audacious Earth is spacious Why come here?

Try using Gilbert and Sullivan, they're pretty fun. Example from Thepsis: ALL. Goodness gracious How audacious Earth is spacious Why come here? Our impeding Their proceeding Were good breeding That is clear. DIA. Jupiter, hear my plea. Upon the mount if they light. There'll be an end of me. I won't be seen by daylight. AP. Tartarus is the place These scoundrels you should send to-- Should they behold my face. My influence there's an end to. If that's not your thing try Tennessee Williams or Arthur Miller. Gilbert and Sullivan are all public domain so that's nice. You could also go dramatically the other way and use flytings for your corpus: https://en.m.wikipedia.org/wiki/Flyting https://en.m.wikipedia.org/wiki/Flyting There's probably clever ways to get the right entropy from their body of work while not turning it into word salad, best of luck.