“Peter Green. Fleetwood Mac. This is probably, almost, my favorite song. It kills me. Peter kills me. He was my friend, remains a friend, and he started Fleetwood Mac with me in 1967.

“This is me in my full-on training ground. This is the essence of playing Oh Daddy, the essence of what I was able to get out of playing a form of music that allowed me, as a young chap, to express myself so thoroughly, not only vicariously through Peter – because I loved his playing so much – but when I was privileged to be playing behind somebody so talented.

“When I hear this, it’s all about a young chap, me, knowing why Peter was so overjoyed to be playing the music that he loved so much.

“This is classic slow blues. A good shuffle on a slow blues is what I will take to my grave.”