How important is it that all samples are in the same key? Are there any plugins to detect the key of samples?

I'm mostly asking about drums. I have a lot of samples but they aren't labelled. Is there a plugin that can detect the key?

EDIT: All samples in a track

Submitted March 12, 2018 at 08:47AM by fuzzyfrank https://www.reddit.com/r/edmproduction/comments/83ucql/how_important_is_it_that_all_samples_are_in_the/?utm_source=ifttt