《太平广记·卷二百零四·乐二》
李謩有一次在瓜洲吹笛。
太真妃杨玉环手持玻璃七宝杯，酌饮西域凉州供奉的葡萄美酒，满脸含笑地领会着歌中的情意。玄宗亲吹玉笛为李龟年伴奏。每吹完一曲将换新曲时，故意拖长笛声取悦太真妃。
Li Yangping once played the flute in Guazhou.
<s>[INST] Explain the meaning of this Classical Chinese passage in English: 太真妃杨玉环手持玻璃七宝杯，酌饮西域凉州供奉的葡萄美酒，满脸含笑地领会着歌中的情意。玄宗亲吹玉笛为李龟年伴奏。每吹完一曲将换新曲时，故意拖长笛声取悦太真妃。 [/INST] Li Yangping once played the flute in Guazhou.</s>
Explain the meaning of this Classical Chinese passage in English: 太真妃杨玉环手持玻璃七宝杯，酌饮西域凉州供奉的葡萄美酒，满脸含笑地领会着歌中的情意。玄宗亲吹玉笛为李龟年伴奏。每吹完一曲将换新曲时，故意拖长笛声取悦太真妃。
user
Li Yangping once played the flute in Guazhou.
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