Sunday Mass. 5 p.m., Calvert House, 5735 S. University Ave., 773-288-2311.
Concert. 3 p.m., Logan Center, Performance Hall, 915 E. 60th St., 773-702-2787, $25 general admission, $5 students. The Pacifica Quartet performs. Preceded by a talk at 2 p.m.
Sunday at Rockefeller. 11 a.m.-12:15 p.m., Rockefeller Chapel, 5850 S. Woodlawn Ave., 773-702-2100. Music, communion and a sermon.
Presentation. “Reduce, Reuse, Rehab.” 10 a.m.-noon, Blackstone Library, 4904 S. Lake Park Ave., 312-747-0511. Sustainability consultant Carla Bruni discusses how to preserve homes using salvaged materials.
Concert. 7:30-8:45 p.m., Rockefeller Chapel, 5850 S. Woodlawn Ave., 773-702-2100, free. Randall Harlow performs American organ compositions from the past 20 years.
Concert. 7 p.m., Logan Center, Performance Hall, 915 E. 60th ST., 773-702-2787, free. A Baroque performance competition presented with non-profit Early Music America.
Logan Center Family Saturday. 2-6:30 p.m., Logan Center, 915 E. 60th St., 773-702-2787. Featuring art workshops for the entire family. Recommended for children ages 2 to 17. Register at ticketsweb.uchicago.edu.
Boy Scout Archaeology Workshop. 9 a.m.-noon, Oriental Institute, 1155 E. 58th St., Chicago, 773-702-9507, oi.uchicago.edu, $15 Oriental Institute members, $20 non-members. Participants work toward earning an archaeology merit badge. Register at oi.uchicago.edu/register.