Ensemble Glockenspiel This chamber ensemble has participated in several CDs devoted to works by Boston composer, Ralf Ysuf Gawlick, including the cantata for children’s chorus, Kinderkreuzzug. Performed in: Ralf Yusuf Gawlick – Kinderkreuzzug, Op.13 Ralf Yusuf Gawlick – Kinderkreuzzug, Op.13 – Digital Download Performed compositions by: Ralf Yusuf Gawlick Ralf Yusuf Gawlick