Metro is the only music app I need in my life. Supports lyrics and folders too.
F-Droid
F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform. The client makes it easy to browse, install, and keep track of updates on your device.
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Use Retro Music instead. Metro is a ripoff and doesn't credit the original
Still have to find an app who can sort albums by year properly (without mess with tags also).
InnerTune
Symphony github link It has nice UI, very polished and have folder view and lyrics support But there's a major catch, unlike other players, you will need to keep the app open in background
Gramophone github link Also have a nice ui, but not very polished. Absolutely usable. Have folder view and lyrics support
What is folder play?
I went from Spottube (which runs off Spotify) to Innertune (YouTube music) because Spottube crashed one too many times and I kept having to rebuild my library...it's not much but still.
I also like the UI and different listening modes.
Unfortunately not on F-Droid, but you can get it through AuroraStore, Musicolet.