＜p class="editor-paragraph" dir="ltr"＞＜span＞Bamboo folk whistle produces a unique warm, woodsy tone with a major scale layout. First octave and mid-second octave speak easily with good tonal character; upper second octave requires additional air support. Best suited for solo playing or recording where its unique timbre can be appreciated without the need for strict ensemble tuning as it's pitched approximately 30–40 cents flat from concert C.＜/span＞＜/p＞