Brian Koller is one of the most active members in the international Ellington international community. He contribute frequently to the Duke-LYM mailing list with a special focus on discography issues and new Ellington related posts on YouTube. As part of his website Filmsgraded.com, he has also provide a very good Duke Ellington Discography with sections with sessions in chronological order, titles in alphabetic order, list of Ellington LPs and a personal list of what he considers to be the best recordings of individual Ellington songs from a quality point of view.