Popsugar Entertainment Music Jonas Brothers Reunion Details Jonas Brothers Will "Definitely" Tour This Year — Here Are All the Details About Their Reunion 11 April 2019 by Kelsie Gibson View On One Page Photo 11 of 12 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 11 April 6: Jonas Brothers Perform at March Madness Music Series The brothers performed during the the NCAA March Madness Music Series in Minneapolis, MN. Previous Next Start Slideshow MusicJonas Brothers