Orchestration . Treble clef Soprano-Saxhorn in Bb(a half-tube instru-ment) Alto-Saxhorn in Eb(a half-tube instru-ment) Tenor-Saxhorn in Bb(a half-tube instru-ment) Bass-Saxhorn in Bb(a whole-tube in-strument or Tuba) Bass-Saxhorn in Eb(a whole-tube in ...