[@Keyguyperson] 7/10
I liked the calming instrumentals and emotion, but I wasn't too fond of the guy's voice. That said, I can definitely see myself listening to this song while I'm trying to relax.

[url=https://www.youtube.com/watch?v=9vx69Pe7Ncs]Fullmetal Alchemist Brotherhood Opening Song 4: Period by Chemistry[/url]