She's the blonde flautist in the middle.
O'Reilly's Palisades Overture
Grice's Curse of the Scorpion
Osterling's Gateway March
Shaffer's Rise of the Vulcan
M. Williams Fanfare and Finale
It's an awesome amount of music to learn in 4 1/2 days.
I can't find the flute section piece but here are the trumpets. Trumpets have a notoriously difficult time I've found. These kids are pretty good.
This year one of Katherine's pieces is Hedwig's Theme. And her flute section instructor is the girl who just graduated from Gar-Field and was Katherine's idol in the Marching Band.