Sonata Clarinet-Complete Kit with Case and Accessories The Sonata Clarinet is the perfect choice for beginners that has the features of an intermediate Instrument. The S-10 Clarinet is made with European nickel silver harden drop forge keys which makes the keys unbendable Brushed wood like ABS plastic, undercut tone holes, polycylindrical bore, blue steel needle springs, Pisoni Italian made pads and a 67 mm barrel. The S-10 Clarinet includes cork grease, Deluxe Microfiber Swab, 2 Rico clarinet reeds (2) and AmericanClarnet Mouthpiece kit. All of this comes inside a compact backpack harden foam core case which makes for easy transportation for the student.