The Dutch Mason Blues Band were great ! We used to see them when they came to Toronto every chance we could.
In fact, hearing Rick's solo on "Baby Please Don't Go" from the "Blues aint Bad" album is what got me interested in Blues music (~'76/77). I was listening on the radio and they played it, I was hooked. I was sorry when I heard that he passed on.
I haven't seen any of season four but looking forward to seeing Dutch! I'm new to the show and have been watching seasons 1-3 over and over on DVD. I'm going to try and wait until the 4th DVDs come out and make a week of it!