Sadness

I posted this song a while back but I've cleaned up the voicing and arrangement a bit and thought I'd see what people think. How's the mix? How's the volume on the bass? I'd be interested to know as it's an important element in this song. Feel free to comment.

Here's a box link in case the YC uploaded mp3 doesn't work:  https://app.box.com/s/4tkorjvexaeez05oqog9ciky7mzhqdvy

Contrary to the title the intro sounds upbeat