music. >> reporter: the virtual choir comes together online singing in bathtubs and closets. ♪ >> reporter: this woman is a librarian in norway. >> you just have the general feeling of being connected to people everywhere. it's lovely. >> reporter: harmonizing with jan 4,000 miles away on vancouver island. she hadn't sung in years. >> you recently turned 60? >> yes, i did, and i wanted to do it. as a challenge because i'd like to be able to hold my head up and say, you know, i did it. >> we haven't ever turned away a single singer. they've all made the cut. >> reporter: global voices united as one.