This musical instrument is provided with a vibrator that generates sound by vibrating a body to be vibrated in a predetermined direction, wherein the vibrator is provided with a vibrating body that is provided so as to vibrate in the predetermined direction, and a coupling body that couples the vibrating body and the body to be vibrated to each other, and transmits the vibration of the vibrating body to the body to be vibrated, the coupling body is provided with a shaft part that extends between the vibrating body and the body to be vibrated, a first wire rod that couples one end of the shaft part and the vibrating body, and a second wire rod that couples the other end of the shaft part and the body to be vibrated, and the resonance frequency of the shaft part, the first wire rod and the second wire rod is 10 kHz or more.