What happens when you take four musicians who are excellent, even extraordinary on their own and put them together in a room and just tell them to play? Tonight, you’ll get to find out with the 21st Century Ensemble. Janel Leppin (cello) and Anthony Pirog (guitar) have crafted beautiful pieces on their own but when combined with the Lost Civilizations duo of Mike Sebastian (reeds) and T.A. Zook (basscello, miscellaneous instruments) they create a…