As affixing dimo on a dizi may prove difficult for many beginners, the common recommended alternative is transparent adhesive tape (locally referred to as “Scotch tape”). As tape does not require any sort of preparation and is, of course, not easily torn, some do not bother (sadly) with learning how to affix dimo on their flute at all.
While a seemingly easier choice, what they don’t realise is that the timbral qualities of the flute change with the use of tape as compared to dimo. The dimo is made with the interior of a bamboo shoot, and it is what gives the dizi its characteristic buzzing timbre. In conjunction with techniques unique to this instrument, this contributes to the flavour of many pieces in which the dizi is featured.
On the other hand, when the adhesive tape is used, the resultant sound is more mellow, similar to the tone of the Western flute. While it may not sound bad, it is not suited for playing pieces in which you want to express the unique quality of this instrument. Hence, it is recommended that adhesive tape to be used only during practice, and not during actual performances.
Check out the following video to hear the difference!
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