BU Events Calendar Rehearsals (March 16 through May 31) Friday, April 21 12:00 PM Black Lunch Table - Black Identifying Artists 2:30 PM Black Lunch Table - Wiki Edit-a-Thon Saturday, April 22 12:00 PM Black Lunch Table - Open to All 2:30 PM Black Lunch Table - Wiki Edit-a-Thon Sunday, May 7 6:30 PM Persian Classical Music, Saz-o-Avaz, Kayhan Kalhor with Alireza Ghorbani