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4 months agoMPD would work great for your music use-case. I have also set up librespot (Open Source Spotify client library) for a friend that works really well and would probably cover you on the licensing front with a subscription (not a fan at all of Spotify). If you’re looking into new hardware check out the AOOSTAR WTR PRO.
Follow the guides at https://pon.wiki/ for replacing your ISP modem with a sfp module running custom firmware. The sfp module will require some sort of active cooling, I bought a 3D printed bracket and fan from their discord server. You can also get a sfp to Ethernet media converter if your firewall does not have sfp: https://www.amazon.com/gp/aw/d/B0FCFWGWHT
These work great as a firewall: https://www.ebay.com/itm/358186631570 8 cores with the n355. I split up the cores to run multiple VMs and docker containers. I passed through all the network interfaces to the opnsense VM. It also has 2 m.2 slots(pcie 1x) I use for mirroring 2 64GB intel optane ssds in a zpool.