OKC’s Windsong Chamber Choir will premiere 12 newly commissioned pieces in a free concert, “Cantica Sacra: Music of the Mary Heath Endowment,” at 5 p.m. Sunday at Westminster Presbyterian Church, 4400 N. Shartel.

The concert will feature a cappella performances, ensemble accompaniment and a full orchestra throughout the course of the show. Oklahoman Mary K. Sallee — as well as internationally acclaimed composers Shawn Kirchner, Daniel Gawthrop, David Childs and more — contributed works.

For information, call 837-2152 or visit www.windsongchoir.org. —Stephen Carradini

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