Infusion26 on YouTube is an excellent contributor. When learning a new song, I often go to him.
The playlist with all his contributions may be found at: https://www.youtube.com/watch?v=sWSBoUOeAjM&list=PU1CRafmzPyuS-KvGLWN_Giw
He is also found on Facebook at https://www.facebook.com/pages/Infusion26/1587922128091101