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The Boehm system for the clarinet is a system of clarinet keywork, developed between 1839 and 1843 by Hyacinthe Klosé and Auguste Buffet jeune.The name is somewhat deceptive; the system was inspired by Theobald Boehm's system for the flute, but necessarily differs from it, since the clarinet overblows at the twelfth rather than the flute's octave.
Boehm, however, continued to look for ways to improve the instrument. Finding that an increased volume of air produced a stronger and clearer tone, he replaced the conical bore with a cylindrical bore, finding that a parabolic contraction of the bore near the embouchure hole improved the instrument's low register .
The Albert system refers to a system of clarinet keywork and fingering developed by Eugène Albert. In the United Kingdom, it is known as the simple system. It has been largely replaced by the Boehm system and Oehler system. Big Band musician Jimmy Dorsey used a clarinet outfitted with the Albert system.
The Boehm system clarinet and flute are not exactly the same. If one plays the clarinet with the register key on, the fingerings are the same as the flute when the flute is in the lower and middle register. The main differences between the fingering systems of Boehm system clarinets and flutes are overblowing and key. The clarinet's second ...
A Reform Boehm clarinet looks similar to an original Boehm clarinet, although some brands or models exhibit some of these differences: The right-hand little finger C and E♭ keys have rollers as on a German clarinet.
The Mazzeo system is a key system for the clarinet invented by Rosario Mazzeo in the 1950s, [1] and is a modification of the Boehm system.Exclusive mass-production rights were given to the Selmer company, although only 13,000 were made.
In this view of order, laws represent invariant relationships between explicate entities and structures, and thus Bohm maintained that, in physics, the explicate order generally reveals itself within well-constructed experimental contexts as, for example, in the sensibly observable results of instruments.
Boehm succinctly expressed the difference as [1] Verification: Are we building the product right? Validation: Are we building the right product? "Building the product right" checks that the specifications are correctly implemented by the system while "building the right product" refers back to the user's needs. In some contexts, it is required ...