In their first-ever US tour, Augustana Arts is privileged to bring The Queen’s Six, a six-part, male voice a cappella ensemble based in Windsor Castle, to our concert series at 7:30 p.m. on Friday, April 6 at Augustana Lutheran Church, 5000 East Alameda Ave., Denver – 80246. $10- $35 -www.AugustanArts.org. “This is a bucket-list event for anyone who loves great a cappella music. Lynn Nestingen, Executive Director.