Major scales in two octaves

One etude  found in Voxman's Selected Studies, Bordogni and Rochut's Melodious Studies, Vol. 1, or Arban's Characteristic Studies

One additional contrasting movement from a work comparable in difficulty to the Curnow Rhapsody for Euphonium, Arban Carnival of Venice and Variations on a Tyrolean Song, DeLuca Beautiful Colorado or Clinard Sonata for Unaccompanied Euphonium