Oh, I don't know. I can hear a measure or two that might be from Frankie and Johnny, or from Darktown S'sB, but it just seems coincidental to me. He might be improvising in the style of the 20's, 30s, but he does play pretty much the whole of All Of Me. So, I still suspect that there are one or two "real" tunes in there other than All Of Me. For example, he does repeat the sol, sol, la, me, sol, la, te, do, la, sol phrase twice, as if definitely quoting a set tune.