Church of the Transfiguration's "A Little Midday Music" concert series presents Mozart's little 1786 "Singspiel" The Impresario (Der Schauspieldirectkor), with playwright Christopher Cartmill's exciting new adaptation for three performers of Stephanie the Younger's libretto.  This high-spirited one-act jest at the problems of an opera manager's life features sopranos Nancy Loesch and Lynn Norris, tenor Jim Russell and organist Dr. Claudia Dumschat.  Tuesday, May 17th at 12:30pm, One East 29th Street, NYC 10016.  Subways: 1/9, N/R/W, or 6 to 28th Street.  Music Office: 212.684.4174.  www.ilttlechurch.org.