I'm wondering at so many people who seem to be independently wealthy, that all they have to do is sit about all day memorizing songs. If I only did the songs I'd memorized, I'd have damn few to perform. By using books, I can do hundreds. I think we've about exhausted this topic, now. Some people have set their views in concrete. Having been insulted by some twerps afraid to step away from the book, They conclude that the books, rather than the twerps, are the problem, thereby pulling the rug out from under the newbies and beginners. If you only want to sing the same songs with the same people for the rest of time, I suppose that suits.