double-reed wind instrument belonging to the oboe or shawm family. It has a wooden body ranging from 10 to 20 inches (25 to 50 cm), usually with six finger holes and one or two keyed holes along its front, a cane reed, and a wide, flaring metal bell. The instrument is held in a position nearly perpendicular to the body, positioning the first three fingers of the left hand over the top three finger holes and the first three fingers of the right hand over the bottom three holes. The little finger of the right hand plays the key at the bottom of the instrument, or, if no key is present, covers the seventh hole. The reed is placed between the lips and blown into to create the instrument's characteristically loud and powerful sound. The bombarde possesses a range of two octaves, and the upper octave is produced by increasing the pressure of the air that is forced through the instrument
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