I’ve had this one saved for awhile as I found it very hard to solo over. But now after more experience I am thinking this is not A minor at all and is C major?
Could anyone with good ears enlighten me. I think perhaps the way it’s composed is really throwing me off. Sometimes I feel the A and others C as the root. I know it’s changeing between the two, but it’s hard to get a grip on for me.

but even though on paper it’s probably Am, I do get some brighter vibes in certain parts of the progression, it doesn’t feel “I am 100% sad all the time” like a more in-your-face natural minor progression would 
