× Expand Here's an early holiday present for The news comes on the heels of the group's scuttled Halloween concert, which was slated for Oct. 24. The WCO cancelled that performance in what musicians characterized as an inexplicable "Halloween trick." The musicians struck on Oct. 1 over travel reimbursement and other issues. The Wisconsin Chamber Orchestra performs the holiday program Saturday (8 p.m.) and Sunday (1 p.m.), Nov. 29 and 30, at the Madison Marriott West. The show will include performances of Handel's Messiah, Hanukkah Festival Overture by Lucas Richman, and The Snowman by Howard Blake.