Abstract: A stringed musical instrument having a resonator assembly is disclosed herein. The stringed musical instrument includes a musical instrument body; a neck having a first end portion and a second end portion, the second end portion of the neck being coupled to the musical instrument body; a plurality of strings extending from the first end portion of the neck to the musical instrument body; and a resonator assembly disposed in the musical instrument body, the resonator assembly including a resonator diaphragm and a pickup subassembly operatively coupled to the resonator diaphragm. The pickup subassembly includes a pickup body portion and an elongate piezo-film portion operatively coupled to the pickup body portion. In one or more embodiments, a first end of the elongate piezo-film portion is attached to the pickup body portion and a second end of the elongate piezo-film portion is attached to a side of the resonator diaphragm.