The warriors of goodness

A young woman with brown hair plays a red electric guitar in a school band room, her fingers moving on the fretboard and strings as she looks forward, then the scene cuts to a wide shot of the full band, including a bassist, guitarist, drummer, and keyboardist, all in school uniforms, standing together in the band room, before focusing on a close-up of a hand plucking the strings of a dark brown bass guitar.