Related Program: VPR Classical William Metcalfe Live By Walter Parker • Nov 10, 2015 Related Program: VPR Classical TweetShareGoogle+Email William Metcalfe (left) with Walter Parker in the VPR Classical studio. VPR Walter Parker speaks with William Metcalfe of the Oriana Singers about their upcoming performance of Bach's Mass in B minor. Broadcast Tuesday November 10 at noon. Listen online now. Listen Listening... / 20:38 Walter Parker speaks with William Metcalfe about the Oriana Singers performance of Bach's Mass in B minor. Tags: Musical ConversationsFeatured ProgramsTweetShareGoogle+EmailView the discussion thread.