I used piCore, squeezelite, a Pi Zero W, a cheap DAC, and an Orb Audio Mini-T amp to make a little stacked squeezbox player.
A few more details and pics posted at the slimdevices forum:
http://forums.slimdevices.com/showthread.php?108751-Pi-Zero-W-and-Orb-Audio-Mini-T-AmpThe world probably doesn't need another RPi / squeezebox thread but I wanted to say thanks to the piCore team and the members of the piCore forum for the help and info over the years!