The Music Department will present its 2025 Bach Week Jan. 23-25. On Jan. 23 in Room 218 of the Davidson Music Center there will be an instrumental master class and continuo workshop at 11:10 a.m., a vocal master class at 3:10 p.m., then at 7:30 p.m. a lecture-demo titled “Music for the Golden Hour.” The Jan. 24 and Jan. 25 concerts will take place in the First Presbyterian Church of San Luis Obispo. At 7:30 p.m. Jan. 24 the period instrumental ensemble Tesserae Baroque will present “Buxtehude — The Italian Influence in Northern Germany” with baritone John Buffett. At 2 and 7:30 p.m. Jan. 25 there will be two performances of the “Magnificat” finale concerts with members of Cal Poly’s Chamber Choir, Symphony and faculty with guest artists. Admission to the Jan. 23 presentations is free. Concert tickets are sold at the Cal Poly Ticket Office. For more information, visit the Bach Week website.