H3wastooshort

for me, opening my music folder in Picard (available for download at https://picard.musicbrainz.org/) and clicking "analyze" was enough

are you sure you are not mixing up MusicBrainz (the Metadata Database) with MuiscBrainz Picard (the tool to put metadata on files)

try musicbrainz picard for the metadata

i suggest a raspberry pi or similar single-board computer with either LibreELEC (good for local/NAS files or jellyfin) or a build of androidTV installed

30GB of music on an SD card, because my phone cant do LTE and is stuck on EDGE. If you have old CDs, spend an evening watching YT or something while putting in a new disc every few minutes, otherwise download from youtube with Newpipe/Seal/yt-dlp or buy stuff on bandcamp. Probably saves you a couple 100 megs of data volume each month

I dont think the resistors are faulty but the design. Resistors (especially low-ish value 22Ohm ones) are meant to dissipate energy as heat. Putting them in a cramped housing made of plastic, then using them to dissipate high power is going to build up heat in there. There could also be another component faulty that puts too much current into the resistors. They are probably part of the balancing circuit.

I use this: https://f-droid.org/de/packages/io.github.muntashirakon.Music It's nice.

This is also an interesting concept: https://f-droid.org/de/packages/rocks.mucke/

1. Heat vaseline in a small container or on a spoon
2. Suck up into syringe
3. Inject liberally into ~~veins~~ switches, connectors, and other electronic moving parts that I'd like to be waterproof. (0. Cover PCB in nail polish or specially-made products)