Frank Sinatra sang in just about every key signature.
His fake book is in the key he sang the song.
Check out the other keys he sang some of his songs in the second URL.

https://www.amazon.com/Frank-Sinatra-Fake-Book-Books/dp/1423433440

https://inwhatkey.com/song/summer-wind-by-frank-sinatra

A few examples:

I Got You Under My Skin - Db Major
I Thought About You - Db Major
Come Fly With Me - F# Major
Summer Wind - G# Major
The Birth of the Blues - B Major


Me, it's not about how many times you fail, it's about how many times you get back up.
Cop, that's not how field sobriety tests work.

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware