Bruce Broughton wrote a concerto for this instrument with Tommy Johnson in mind, and John Fletcher was the dedicatee of a concerto for this instrument composed by Edward Gregson.  It is featured as a soloist in the "Bydlo" movement of Pictures at an Exhibition, and near the end of his life, Vaughan Williams wrote an F minor concerto for it. A variety of it was invented for use in the Ring Cycle and is named for Wagner, and its first notable use in the orchestra saw it replace the ophicleide, its
Bruce Broughton wrote a concerto for this instrument with Tommy Johnson in mind, and John Fletcher was the dedicatee of a concerto for this instrument composed by Edward Gregson.  It is featured as a soloist in the "Bydlo" movement of Pictures at an Exhibition, and near the end of his life, Vaughan Williams wrote an F minor concerto for it. A variety of it was invented for use in the Ring Cycle and is named for Wagner, and its first notable use in the orchestra saw it replace the ophicleide, itself a descendant of the serpent. For 10 points, name this cousin of the euphonium and basis for the sousaphone, the lowest-pitched member of the brass family.
Bruce Broughton wrote a concerto for this instrument with Tommy Johnson in mind, and John Fletcher was the dedicatee of a concerto for this instrument composed by Edward Gregson.  
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