The Chamber Orchestra of Philadelphia with the Mendelssohn Club of Philadelphia April 29, 2017  |  4 PM & 8 PM Philadelphia Episcopal Cathedral Paul Rardin, conductor Dan Kern, narrator Kiera Duffy, soprano Maren Montalbano, mezzo-soprano Sumner Thompson, tenor Jillian Harris, choreographer Arthur Honegger’s King David is the best oratorio you may never have heard. The young Honegger composed the score as incidental music to a play by René Morax, and quickly earned fame throughout Europe for his unique and captivating…