VocalMotion, the show choir sponsored by SAS, will celebrate its 20th anniversary with a stage show that will feature the best songs from previous seasons.

VocalMotion will perform at 7 p.m. Thursday and Friday, Feb. 23 and 24; 2 and 7 p.m. Saturday, Feb. 25; and 2 p.m. Sunday, Feb. 26, in the building V auditorium on the SAS campus in Cary.

VocalMotion and the live band will perform their 2012 Broadway-style show, "Blast from the Past."

Admission to the show is free, but donations to Donors Choose.org , a national organization that supports public schools, will be accepted.

Donations will be doubled with a matching grant from SAS and will support music and arts projects in Wake, Durham and Orange County schools.

Call 919-677-8000, Ext. 43236 or visit www.vocal motion.org for details.