Back in 2003 i was on his concert in Krefeld, Germany. There wasn't a big audience, but or definitely that made the whole concert look very familiar.
When it was over, he came to the stand, where they sold his albums to sign them. My father bought an album for me and talked to Mr. Trout. He told him, that i was just beginning to learn playing guitar, not with notes or lessons, but self-taught. After Walter heard that, he signed me the album with the words: