(1) The ring finger, middle finger and index finger of the right hand open and close the first, second and third sound holes respectively with the first finger pulp, and the thumb is dragged under the main pipe. The ring finger, middle finger and index finger of the left hand are opened and closed with the belly of the first finger, and the thumb is opened with the fourth, fifth and sixth sound holes, which are located at the front and lower part of the main pipe.
(2) Take a deep breath and inhale as much air as possible. After inhaling, the breath sinks, so that the airflow can be exhaled evenly and evenly in a controlled way, and the breath should be stable, not strong and weak.
(3) In the performance, the high notes should be played by slow blowing (airflow reduction) and the low notes by fast blowing (airflow enhancement).
Extended data:
To some extent, cucurbit silk is simpler than bamboo flute, suona and other national wind instruments, and there are not so many complicated techniques, which is also due to the limitations of its structure itself, but its sweet timbre seems to be very expressive.
When using the tuning cucurbit, be careful not to pull the plug too hard or push it straight. You should push and pull with appropriate force and rotate left and right at the same time until the pitch is adjusted to the appropriate height.
Try to avoid using this instrument to some outsiders or people who don't understand it at all, so as to avoid misoperation, resulting in deformation, damage or air leakage of the interface. In terms of maintenance, it is necessary to replenish proper amount of lubricating oil to the copper joint regularly or irregularly to avoid corrosion and rust of the joint.
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