Beginning as a flute player, Isabellé has performed on a wide variety of instruments.
Their primary instrument is the saxophone, having played in the University of Wyoming Jazz Ensemble I and II, UWyo Jazz Combo, UWyo Symphonic Band and Wind Symphony, UWyo Symphony Orchestra, UWyo Saxophone Quartet and Saxophone Choir. They have also performed in various pit orchestras. They have performed on soprano, alto, tenor, baritone, and bass saxophone.
Isabellé often doubles on flute in jazz ensembles.
In various pit ensembles and pep bands Isabellé has performed on clarinet, flute, tuba, and guitar.
At the University of Wyoming, they played the mellophone for the Western Thunder Marching Band and their pep bands as well. In their last season they moved to administration and served as the Head of Student Staff. In their time in the band, the performed in Las Vegas, NV; Tuscan, AZ; as well as various other locations.
During 2020-2023, Isabellé was a drum major for the Seattle Cascades Drum and Bugle Corp.
Another primary instrument for Isabellé is the French Horn. At UWyo, they performed in various concerts with the Horn Ensemble, Horn Quartet, Symphonic Band, and Community Band.
Isabellé performed with the UWyo Symphonic Band on piano for the last performance of their undergraduate degree.