American composer Christopher Tin joins David Rutherford for a conversation about his Grammy-nominated release "Calling All Dawns." Tin garnered two nominations for his debut album: Best Classical Crossover Album and Best Instrumental Arrangement Accompanying Vocalist(s) for the opening song, Baba Yetu. David Rutherford has been featuring parts of the recording on Sacred Classics, selecting it as one of the best releases of 2010. As he says, he apparently is not alone in his estimation of "Calling All Dawns." Listen to the interview Sunday Morning during Sacred Classics 7am to 10am.