Brandon Sun By: Kyle Darbyson Sister Joan Miller gets ready to play the piano alongside the St. Matthew’s Cathedral Choir during a concert that took place in September 2014. Miller, who also taught at Brandon University for 33 years, passed away on Feb. 1 at the age of 87. (File) Brandon University lowered its flag to half-mast last Friday to mourn the loss of Joan Miller, who died on Feb. 1 at the age of 87. Advertisement Brandon University lowered its flag to half-mast last Friday to mourn the loss of Joan Miller, who died on Feb. 1 at the age of 87. According to a Wednesday news release from the university, Miller’s career as a member of BU spanned over three decades, beginning in 1979 and eventually coming to an end in 2012.