Awesome Underpass For Singing May 14, 2012 by Lisa S Leave a comment What nice harmonies in this underpass! It’s on the CU Boulder campus, near Fiske Planetarium. Hmmm, maybe we should sing there for the partial solar eclipse this coming Sunday, May 20. Just thinking out loud here…. Advertisements Share this:ShareTwitterFacebookEmailLike this:Like Loading... Related Author: Lisa S The Boulder Bike Underpass Choir loves to sing in the Boulder bike underpasses where the acoustics are superb!