Jay Ungar, Molly Mason and Peter Davis are guests this week on Knock On Wood. They'll be playing "Out in the Catskill Mountains" Also on the show, Harry will be opening a 300-year-old box of darkness. Something that's been handed down through his family for generations. The show repeats on Sunday at 8:30 a.m. And these recordings as well: Martian Boogie-Brownsville Station/ You Gotta Have Heart-Damn Yankeees/ Stupidee-Dupidee Idea-I Hate Barney/ Rollover-Ed Kohn/ It Ain’t Gonna Rain No More-Disney’s Silly Songs