Concert. 3 p.m., First Unitarian Church, 5650 S. Woodlawn Ave., 773-324-4100, firstuchicago.org, donations accepted. Organist James Grzadzinski and trumpeter Johndavid Provitt perform. A reception will follow the concert. For more information, call 773-324-4100, ext. 10.
Weekly Meditation Class. 7:30 p.m., Chaturanga Holistic Fitness, 1525 E. 55th, No. 302, samathachicago@gmail.com, free. A graduated practice of mindfulness of breathing. Beginners welcome at any time.
Concert. Contempo: Celebrating UChicago Composers. 7:30 p.m., Logan Center, Performance Hall 074, 915 E. 60th St., 773-702-8608, $25 general admission, $5 students. Music by U. of C. composers preceded by a 6:30 p.m. discussion with music professor Martha Feldman.
Concert. “Beyond the Headlines: Haiti in Music.” 7:30 p.m., Fulton Hall, 5845 S. Ellis Ave. The Crossing Borders Music Collective presents string quartets by Haitian composers. For more information, contact the Center for Latin American Studies, 773-702-8420, or send an e-mail to Tom Clowest at tclowes@gmail.com.
Crescents over Rockefeller. 4:20 p.m., Rockefeller Chapel, 5850 S. Woodlawn Ave., 773-702-2100, free. Those attending will ascend the Carillon Tower over the chapel to witness a crescent moon and the beginning of a new Lunar month.
Counter Cinema/Counter Media: Invisible Adversaries. 5 p.m., 5811 S. Ellis Ave., room 307. For more information, contact the Film Studies Center, 773-702-8596.
Gentle Yoga. 4-5 p.m., Rockefeller Memorial Chapel, 5850 S. Woodlawn Ave., 773-702-2100, free.
Film Screening and Discussion. “The Island President.” Harper Memorial Library, Room 140, 1116 E. 59th St. 6:30 PM to 9:00 PM Douglas R. MacAyeal, of the Department of the Geophysical Sciences at the University of Chicago, will speak at this screening of the 2011 film. For more information, contact the Human Rights Program, 773-834-0957.