Musical leaf
A leaf used to produce music by blowing across its edge.
The musical leaf is a simple wind instrument made from a leaf, known by various names such as leaflute, leaf whistle, gum leaf, or leafophone. It is notable for its use in many cultures worldwide, including Cambodia, South Korea, Australia, and Japan, and for its ability to produce a range of pitches.
Quick Facts
- Sound sample
- Musical playing of phlom slek
- recorded in Siem Reap
- Cambodia
Facts from the source article.
Did You Know?
- High-speed camera footage shows the leaf moving away from the lips when blown, then returning due to elasticity, producing sound through oscillation.
- An analysis of the overtone series comparing an oboe and a birch leaf (birkenblatt) playing F2 found them nearly identical.
- In Cambodia, the leaf is made from broad-leaf trees such as sakrom and khnoung, and is also called phlom slek ('blow leaf').
Structure of a musical leaf
Leaf instruments appear in many music-cultures, though the gumleaf is often associated with Australia. Unlike complex leaf-derived instruments in neighbouring regions, the gumleaf consists of unmodified organic leaf matter. A leaf may be plucked or played while still on the plant; it must be slightly curved and placed in the mouth. Not all leaves produce sound, as correct rigidity, flexibility, and thickness are required. Wilting leaves lose turgor pressure and become unplayable. In Germany and Austria, shepherds modified birch bark to play similarly, as bark does not wilt and allows longer playing.
Range
The range of a leafophone depends on the player's mouth size, with most playing in higher registers. Opening the throat to enlarge the resonance chamber enables lower notes. Thicker leaves require more air to vibrate and can reach lower pitches. If a piece demands low notes, players often raise them by an octave. Depending on the leaf, a player can achieve a 2–3 octave range.
Variants in other places
In Cambodia the instrument is called slek; in China, recorded knowledge of the wood leaf (木叶) dates to the Tang dynasty, and it appears in a sculpture at the tomb of Emperor Wang Jian in Chengdu, Sichuan. Modern versions use plastic instead of leaf, which does not wear out quickly and offers nearly three octaves. Other names include 樹葉笛 (tree leaf flute), 草琴 (grass piano), and 木叶 in China; 草笛 in Japan; gum leaf in Australia; पिपिरिमा (pipirma) in Nepal; folhinha in Brazil; and Birkenblattblasen in Germany and Austria. The Make Music festival 2021 featured the leaf as an instrument.
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