You can turn up the heartbeat kick a bit. You could add a bit of air to the vocal during the verses if you wanted to see what that sounds like.
I love how you start this off sounding like the Dead and then morph into Floyd territory later on.
I like the last mix, bud. Could you send me the file?
Tinkered more with it ... swapped out some of the new drum sections ... made several mix changes ... high frequencies were being eaten too much by cymbals etc ... and other stuff.
But I'm thinking it's about time to stick a fork in it.