On Thursday, April 9, at 8:00p, Saturday, April 11, at 7:30p, and Sunday, April 12, at 2:00p at Atlanta Symphony Hall, guest conductor Lionel Bringuier leads a program that opens with the Overture to Carl Maria von Weber’s opera, Der Freischütz. Emanuel Ax is the soloist in the Piano Concerto No. 14 by Wolfgang Amadeus Mozart. The program concludes with the Symphony No. 4, by Robert Schumann.