What uncommon instrument is used in the musical Edel Rhapsody?
Edel Rhapsody: The Edel Rhapsody is a musical work written in 1993 by British composer Stephen Caudel. Edel Rhapsody:  He was commissioned by the North Pennine Orchestra along with Northern Arts to create a new musical composition for the little-known 19th-century instrument the Wagner tuba. Wagner tuba: The Wagner tuba is an infrequently-used brass instrument that combines tonal elements of both the French horn and the trombone.
Wagner tuba