The Cool One: Score

Erik Morales has crafted an arrangement that captures the infectious energy of Latin jazz while keeping the ensemble part writing accessible. The optional flute and vibes parts add textural flexibility without complicating the core ensemble setup, letting you scale the piece to your instrumentation. At 150 BPM, the cha-cha rhythm sits comfortably for developing ensembles to groove together, and the featured solos for alto 1 and trumpet 2 give your section leaders meaningful opportunities to step forward.

A sun-soaked, walking groove with smart melodic hooks that stick with you long after rehearsal ends. The cha-cha treatment gives the tune a relaxed, sophisticated vibe that rewards tight ensemble playing without demanding gymnastics.

Jazz ensembles at the middle to early high school level who are comfortable with swing feel and ready to explore Latin jazz. Your ensemble should have solid readers in the saxophone and trumpet sections, especially for the featured solos, but the overall part writing stays well within Grade 2.5 technique.

• Keep the cha-cha clave locked between drums and bass; this rhythm drives the whole chart, so clarity there makes everything else fall into place.
• The trumpet 1 soars up to written F-sharp on the top staff, so begin rehearsals with that specific passage to confirm range comfort and allow time for adjustment if needed.
• Let your alto 1 and trumpet 2 soloists know this is their moment to own the tune; use rehearsals to build their confidence with the form and encourage phrasing choices beyond the written melody.
• If you're using optional flute and vibes, blend them as coloristic layers rather than rhythmic drivers; they enhance the soundscape without shouldering the groove.

Pair this with another Golson composition or a contrasting straight-ahead swing chart for a jazz concert that showcases your ensemble's range. Its accessibility and radio-friendly length make it a natural fit for pops concerts or community performance settings where you want something immediately engaging.

• Reading and playing cha-cha rhythm with accuracy and relaxation
• Maintaining clave against syncopated ensemble figures
• Solo improvisation over a 12-bar blues or standard form
• Balancing ensemble groove with featured section work
• Blending optional instrumentation into an existing arrangement