This week on A Prairie Home Companion it's our second to last live broadcast of the season, from Tanglewood -- The Koussivetsky Music Shed, in Lenox, MA. With special guests, the only bluegrass banjo player ever to sell out Madison Square Garden, Steve Martin & The Steep Canyon Rangers, young up-and-coming radio actor Martin Sheen, and the legendary Stuart "If It's Got Strings He Can Play It" Duncan. Also with us, the Royal Academy of Radio Actors; Tim Russell, Sue Scott, and Fred Newman, singer Heather Masse, The Guy's All-Star Shoe Band, and The News from Lake Wobegon.