The invention relates to a clarinet (1) having at least one tubular body extending along a longitudinal axis.The tubular body (22, 23) comprises a hole (3) and a control device (4) which are arranged on the height and circumference of the clarinet and are closed and opened with a key (3) (41, 42),In order to change the air column (() 3) out of the hole and produce musical notes, it is characterized in that the keys () 41, 42) are arranged in parallel with the plane parallel to the longitudinal axis, and are basically tangent to the tube () 22, 23,Therefore, the action (4) of the control device can be realized by changing the note from one key to another and by one finger.
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