Sonus Umbra returns to play The “Rights of Spring” festival, also known as RoSfest, on May 2nd, 2015, eleven years after appearing on the bill at the inaugural RoSfest in 2004. The three day festival takes place at the Majestic theater in historic Gettysburg, Pennsylvania.

http://home.rosfest.com/

http://home.rosfest.com/ticket-info/