Artus - Excalibur is a musical loosely based on the legends of the 5th/6th-century British monarch King Arthur and his fabled sword, Excalibur. The score is by Frank Wildhorn, with lyrics by Robin Lerner and book by Ivan Menchell. Arrangements and orchestrations by Koen Schoots. The musical had its world premiere at the Theater St. Gallen in St. Gallen, Switzerland on March 15, 2014. It is set to premiere in Korea in 2019 under the name Xcalibur.