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Klosé was so impressed by Boehm's invention that he named his own system for clarinets the Boehm system, even though it is various from the one used on flutes. This new system was slow to achieve popularity but regularly became the commonplace, and today the Boehm system is used everywhere in the world except Germany and Austria. These countries still use an instantaneous descendant of the Mueller clarinet known as the Oehler system clarinet. Also, some contemporary Dixieland avid gamers proceed to use Albert system clarinets. Before about 1800, due to loss of hermetic pads see History, purposeful woodwinds could have just some keys to control accidentals notes external their diatonic home scales. The low chalumeau sign in of the clarinet spans a 12th an octave plus an ideal fifth, so the clarinet needs keys/holes to provide all nineteen notes during this range.