Charles Rosen said it was Beethoven’s most humiliating premiere ever and Johann Nepomuk Hummel laughed when he heard it telling Ludwig van Beethoven “There you go again.” But Beethoven’s Mass in C is one of his best even though it has been overshadowed by the Missa Solemni. Daniel Meyer conducts the Westmoreland Symphony with soloists from the Pittsburgh Opera Resident Artists and Westmoreland Chamber Choir Saturday April 22 at 7:30 in the Palace Theater Greensburg. Maestro Meyer has the details on the event for Jim Cunningham.