sentences:  Other composers who have used the bass trumpet in the orchestra include Arthur Sullivan (in the opera "Ivanhoe"), Richard Strauss (in the tone poem "Macbeth" and the opera "Elektra"), Arnold Schoenberg (in the cantata "Gurrelieder"), Igor Stravinsky (in the ballet "Le sacre du printemps" - fourth trumpet doubling bass trumpet in E), Leoš Janáček (in the "Sinfonietta" - two bass trumpets in B).György Ligeti used the bass trumpet as one of Nekrotzar's "Entourage" instruments in his opera "Le Grand Macabre".The bass trumpet is usually notated in the treble clef.