From the straight soprano to the imposing baritone, the four principal members share one acoustical design while carrying the saxophone’s voice through distinct regions of the sounding spectrum. 🏷️ INSTRUMENT PROFILE Organological family Woodwind; single-reed aerophone with an approximately conical bore Inventor Adolphe Sax (1814–1894); French Patent No. 3226, 1846 Principal material Brass, usually lacquered or plated Sound production A single cane reed pulses the airflow and excites resonances in the conical air column Principal members B♭ soprano, E♭ alto, B♭ tenor, and E♭ baritone Written range Usually B♭3–F6 or F♯6; the altissimo register extends higher Musical roles Solo, chamber ensemble, band, jazz, contemporary art music, and popular genres Characteristic to...