Jam Tracks Channel – Find Many Grooves and Changes to Suit You

https://www.youtube.com/channel/UCZmrBhPmDS2I21Y85x6-4hw

A good start for beginner keys to follow set chords at a playable tempo:

Then throw yourself in at the deep end with these tracks – warts and all – it will teach you synth control like volume levels for patch changes as well as thinking about keys and scales etc. and show you which you know better or worse (or none at all!) and how good your ear is already or not: