If you are in downtown Chicago, why not grab a lunch and settle in for a great free concert, followed by a tour of this amazing building and its Tiffany dome? This Friday, October 21, check out the Music Without Borders lunchtime series, which highlights the best world music performers each Friday at 12:15 pm. Sit back and enjoy a free concert of Pacific Colombian music by Echos del Pacifico in the 1st floor Randolph Cafe. Then stick around for a free guided building tour at 1:15 pm of this Beaux arts landmark building. Gaze at the world’s largest Tiffany glass dome and other stunning architectural gems in this architecturally significant building which was opened in 1897.