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.
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
As an Android developer and as an user, I would prefer a standard and tested set of rules rather than reinventing everything. I know everyone have different taste, but I would trust an expert (someone who designed and defined Material rules) rather than my own judgement. Don't have an eye of a designer
A music player which "just plays whatever is in a directory". Very handy for people having a media folder with artist folders and album subfolders.
For the type of people, like myself, who focus more on tidy and disciplined storage of files instead of managing ID3 metadata etc