Concerto Night - "Clash of the Titans" - Rocky Mountain Music Alliance, 7-8:30 p.m., Tri-Lakes United Methodist Church, 20256 Hunting Downs Way, Monument, $10 in advance, $12 at door, free for students; rmmaonline.org.
Introduction to Celtic Spirituality in the Age of Saints - 9:30-11:30 a.m., $35, call or go online for location. Registration: 633-4991, pillarinstitute.org.
St. Peter Catholic School Mardi Gras Gala and Fundraiser - 6-11 p.m., Great Wolf Lodge, 9494 Federal Drive, $50, $450 for table of 10. Reservations: 481-3511.
Events are free unless noted. Send information at least two weeks in advance: Email email@example.com.