Bell's Artistic Solo and Duets for Tuba, Baritone, or Trombone is jammed full of solos, theme and variations, duets, and all manner of performance material for low brass. It has so much in it it can be hard to give a full outline, but I will give a list as best as I can below. Check it out, then view the samples to the left before grabbing an immediate PDF download above.
Carnival of Venice Variations
12 Phrasing Melodies
2 Marcello Sonatas
Bach Suites 1 & 3
Gus the Hippo and Tuba Man Solos
Click through some samples on the left, then order a physical book delivered to your door above.