When Vonnegut wrote this novel, I was a young lad and lived in the same upstate village of Alplaus, NY. Kurt was a PR person for General Electric. And so Because of this he Became associated with GE scientists. When I first read player piano, I was amazed at the similarity With That small village. As I read, the Fictional Characters Became evident. Local village scientists. I will not name names..I found this somewhat interesting having know some of them as a youngster. Kurt used to rent a room above a nearby home. Mrs. Cheney's. Just to go and write. And, remove himself from his house Which overlooked the Alplaus Creek.This is just a bit of literature history did few know. Just an insight. Trust That You enjoyed it. And, how great authors get Their background for novels. Yes, he did use my mom as a very letter character. They were friends.