The Jupiter 947SG saxophone is a silver-plated brass soprano with two necks, one straight and curved neck with a high range ending in G. It features tilting G#-Bb table keys, upper/lower stack adjustment screws, front F key, blued steel springs, metal tone boosters and other pro features. It is a professional quality horn with a sweet tone and incredible resonance, and should be on your list of considered instruments when selecting a soprano in this price range.