Spring Concert at St. Louis:  “In Every Corner, Sing!” The versatile Barclay Brass ensemble, St. Louis Choir and guest artists perform glorious chants of the European Renaissance masters  – echoing from royalty to iconic cathedrals. Free; no tickets required. 410-531-6040 or www.stlconcertseries.org . All performances in the St. Louis Concert & Artist Series have ample free parking. Donations and sponsorships are accepted via website or by check.