The Met: Live in HD returns to Guild Hall Saturday at 1 p.m. with Massenet’s opera “Werther.” The production, conducted by Alain Altinoglu, stars Jonas Kaufmann in the title role of the tragic romance and Sophie Koch as Charlotte. Victoria Bond, a composer and speaker, will give a 30-minute “Operatif” talk at noon. Tickets are $22, $20 for members, $15 for students.