The words innovation and bluegrass don't always go well together. However there have been some players who choose to play music that colors outside of the usual lines. We'll explore some recent bluegrass innovators and offer a review of the new recording “Hell on Church Street” from Punch Brothers, today's foremost groundbreaking acoustic ensemble. Our program will also feature music from other exciting performers: we'll hear classics from Skyline and The Tony Rice Unit, recent recordings from The Yonder Mountain Stringband, Leftover Salmon, Railroad Earth, and Kristin Scott Benson. Innovative bluegrass and Punch Brothers … this week on The Sing Out! Radio Magazine.Pete Seeger / “If I Had A Hammer”(excerpt) / Songs of Hope and Struggle / Smithsonian FolkwaysKristin Scott Benson / “Eagle Eye Annie” / Stringworks / Mountain HomeSkyline / “Stranded in the Moonlight” / Ticket Back: A Retrospective / Flying FishBarbara Lamb / “Fiddle Piggy” / Fiddle Piggy / Lots of CoffeeWood & Wire / “Kingpin” / North of Despair / Blue Corn Tony Rice Unit / “Manzanita” / Manzanita / RounderYonder Mountain String Band / “Broken Records” / Get Outside Yourself / Frog PadRailroad Earth / “Runnin' Wild” / All For the Song / Self ProducedKristin Scott Benson / “Great Waterton” / Stringworks / Mountain HomePunch Brothers / “Church Street Blues” / Hell on Church Street / NonesuchPunch Brothers / “The Gold Rush” / Hell on Church Street / NonesuchPunch Brothers / “House Carpenter-Jerusalem Ridge” / Hell on Church Street / NonesuchLeftover Salmon / “Boogie Grass Band” / Brand New Good Old Days / CompassSam Bush & David Grisman / “Hold On, I'm Comin'” / Hold On, We're Strummin' / Acoustic DiscPete Seeger / “If I Had A Hammer”(excerpt) / Songs of Hope and Struggle / Smithsonian Folkways