Atlanta Symphony Orchestra Chamber Chorus Norman Mackenzie, Director of Choruses A beloved holiday tradition returns. Gather friends and family for a festive evening of Old World charm as the acclaimed Atlanta Symphony Orchestra and Chamber Chorus perform Part I of Handel’s triumphant Messiah and the iconic “Hallelujah” Chorus, timeless highlights that never fail to inspire. The program also features J.S. Bach’s serene and beautiful cantata “Sheep May Safely Graze,” adding a moment of reflection to this joyful celebration.