Brunette Girl With The Sax

Sax's original keywork, which was based on the Triebert system 3 oboe for the left hand and the Boehm clarinet for the right, was very simplistic and made playing some legato passages and wide intervals extremely difficult to finger, so numerous developers added extra keys and alternate fingerings to make chromatic playing less difficult. While the early saxophone had two separate octave vents to assist in the playing of the upper registers just as modern instruments do, players of Sax's original design had to operate these via two separate octave keys operated by the left thumb. A substantial advancement in saxophone keywork was the development of a method by which both tone holes are operated by a single octave key by the left thumb which is now universal on all modern saxophones. One of the most radical, however temporary, revisions of saxophone keywork was made in the 1950s by M. Houvenaghel of Paris, who completely redeveloped the mechanics of the system to allow a number of notes (C♯, B, A, G, F and E♭) to be flattened by a semitone simply by lowering the right middle finger. This enables a chromatic scale to be played over two octaves simply by playing the diatonic scale combined with alternately raising and lowering this one digit. However, this keywork never gained much popularity, and is no longer in use.
The saxophone consists of an approximately conical tube of thin metal, most commonly brass and sometimes plated with silver, gold, and nickel, flared at the tip to form a bell. At intervals along the tube are between 20 and 23 tone holes of varying size, including two very small 'speaker' holes to assist the playing of the upper register. These holes are covered by keys (also known as pad cups), containing soft leather pads, which are closed to produce an airtight seal; at rest some of the holes stand open and others are closed. The keys are controlled by buttons pressed by the fingers, while the right thumb sits under a thumb rest to help keep the saxophone balanced. The fingering for the saxophone is a combination of that of the oboe with the Boehm system, and is very similar to the flute or the upper register of the clarinet. Instruments that play to low A have a left thumb key for that note.