The Cross Products, an MIT co-ed Christian a cappella group, held their end-of-semester concert in 32-123 this past Saturday. The group began singing at MIT in the fall of 1988. Grace Li May. 9, 2016 Facebook Twitter Reddit Print The Cross Products, an MIT co-ed Christian a cappella group, held their end-of-semester concert in 32-123 this past Saturday. The group began singing at MIT in the fall of 1988. Grace Li