Catalyst - arr. Rob Romeyn (Concert Band Grade 3.5)Driving rhythms, contemporary harmonies, stark contrasts, and multi meter are the Catalyst for excitement and intrigue in this epic programmatic work by Rob Romeyn. We begin with an explosion of rhythmic energy and motion. From here, an intriguing melodic theme is introduced amid a lighter texture. As the music develops, this melodic theme is expanded upon rhythmically and through a variety of harmonic variations. A secondary theme enters with a light