The Ambassadors of Harmony's annual "Voices in Harmony" matinee will be at 2 p.m. at the Touhill Performing Arts Center on the University of Missouri-St. Louis campus.

Tickets will go on sale at the Touhill's website on Monday April 21, 2014.

Ticket prices are: $24, $27, and $31.

NOTE: Touhill adds a $3 per ticket convenience fee for telephone and online orders.