Can you tell there's a whole linux machine loaded with hundreds of albums in there? Well, the USB ports on the front panel, and inside the cassete tape deck are a bit of a giveaway, as are all the blinkenlights.

Details here.

I'm still suprised I got it all squeezed in, put together, and working. Some things fit better than I had any right to expect:

tiny airgap between the QNAP computer and front panel control board