When you think of countertenors what’s the first thing that comes to your mind?  Randall Scotting, a countertenor sees himself as a preserver of this male voice classification. He’s releasing the album Divine Impresario to celebrate one of the most popular castrato opera singers of the 17th and 18th centuries. His name is Nicolini.      Cancellations at the Kennedy Center continue even as the building is set to close for renovations. The San Antonio (Texas) Philharmonic shuts down with hopes of returning someday.