I went along and basically learned a few of the songs they were doing at the time, which were quite a few of the songs we ended up doing on our first album.
I find it both fascinating and disconcerting when I discover yet another person who believes that writing can't be taught. Frankly, I don't understand this point of view.
The most important things are the hardest things to say. They are the things you get ashamed of because words diminish your feelings - words shrink things that seem timeless when they are in your head to no more than living size when they are brought out.