Calendar Concerts (March 12 through May 31) Monday, March 31 7:30 PM Boston University at Symphony Hall Friday, April 4 7:30 PM School of Music Chamber Music Competition Winners Concert Saturday, April 12 1:00 PM Bach's St. John Passion Concert Monday, April 28 7:30 PM Boston University Choruses Tuesday, April 29 7:30 PM Boston University Wind Ensemble Wednesday, April 30 7:30 PM Boston University Symphony Orchestra