This is the official Unpacking OST. It was composed by Jeff van Dyck. The game was developed by Witch Beam and created by Wren Brier and Tim Dawson. Buy or stream here: distrokid.com/...
I honestly did not expect such a great and deep soundtrack for a cute, little unboxing game. Getting strong Metallica vibes from the E-guitar, especially at 1:20 :)
It also fits right in with how you interact with the photo of him and the protagonists. If you stick it to the wall, you put the pin right through his face. I first thought that was a funny interaction. Once I finished though, I noticed it was at the wrong place. It's such a nice key interaction of she feels about it, and of how to actually properly move on from it, by just leaving it alone.