My EX invited me to his concert!! Is he still interested?

My ex's, that I still really like, band performed this weekend. Hours before showtime, I messaged him on Facebook saying good luck

He then text me later (he hasn't text me since summer) asking what I was doing that night. Sadly, I already made plans so I couldn't make it. He said "aw alright". and the conversation continued a little longer after that.

A few days before this, I went to my old school to give something to someone and I ran into him. We walked right passed each other and he looks at me and says "OH MY GOSH ITS JENNAAAA!" (like in a preppy-playful way)

What I'm wondering is if there could still be a chance he that he's still interested..
Updates
+1 y
So I figured that since he invited me, I'd invite him to my party. He said he would see what's up (I won)
Updates
+1 y
So I figured that since he invited me, I'd invite him to my party (mostly looking for a reason to talk to him). He said he would see if he's busy. After I invited him (on FB) the conversation went on. And it was a playful conversation. It's a start (:
My EX invited me to his concert!! Is he still interested?
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