As promised last time, I now elaborate on my confusion about the tall chap with the dark rimmed spectacles, moustache and long sideburns, on the second row back in the picture. As mentioned, he is Ian A. Anderson.
I have a super LP by his group, Ian Anderson’s Country Blues Band, called “Stereo Death Breakdown”:
However, even though this was released in 1969, the same year as “You Can All Join In”, it was on Liberty, not Island:
So how did he come to be in this photo?