Rhythmic Festival was written to teach syncopation across the middle of the measure. All parts have modest ranges, and care is taken with clarinets crossing over the break. Every section gets the melody at some point, and any important lines in the rarer instruments (oboe, bassoon, horn, etc.) are doubled in another instrument. There are a good amount of percussion parts, Contemporary harmonies not often heard in music at this difficulty level (7ths, 9ths, #11ths, etc.) are idiomatic and playable.
Rhythmic Festival is correlated with Tradition of Excellence Book 2, page 34.