Here’s a streamable compilation of recordings from past Keystone Sacred Harp Conventions.  In 2009 and 2010, the convention was at Broad Street Ministries in Philadelphia.  In 2012, it was in Bethlehem. It was at The Rotunda in West Philadelphia in 2015. Keystone 2015 Videos. Thanks to Amy Myers for taking these. Keystone 2015, Saturday AM. You can either…