Here you go. https://www.opensecrets.org/personal-finances

This makes a lot of sense and I wouldn’t have thought about it.

Could you offer any tips about recording ambient tone? Just like some omnidirectional mics in the space for 5-10 minutes? Or just the same mics you use for performers or the field recording (eg shotgun mics)?

Can try some of these ideas. https://www.wikihow.com/Watch-Deleted-YouTube-Videos-with-the-Url