Reverb + Rubber Ring to create easy fiddle loops that you can slow down
youtu.be
The apps "Reverb" and "Rubber Ring" are ad free apps on fdroid for Android.1. load up reverb and hit record2. switch apps to your song, and play it loud enou...

Sorry for the janky screencap. I know its not great but its been working like gangbusters for me.

The apps are free and no ads and I’m in now way affiliated with them. They just work.