The Series III Soprano Saxophone is at the top of the Selmer Paris line. It is especially praised by alto and tenor players doubling on soprano because of its familiar keywork. The tone is characteristic of Selmer Paris — smooth, warm, and colorful without shrillness.Enhanced Resonance Reducing the size and weight of the ribs (the body plates supporting the posts) by 30% results in a more free vibration of the instrument and enhanced resonance.Rivet-less Metal Tone Boosters Kik pads provide an airtight seal. Rivet-less metal tone boosters result in projection without buzz or distortion.