「虚鈴」は、尺八古典本曲の中でも最も重要な曲とされる古伝三曲「虚鈴（きょれい）」「虚空（こくう）」「霧海箎（むかいぢ）」の内の一曲で、静岡県のJR浜松駅近くにあった霊鐸山普大寺という虚無僧寺に伝わった曲とされています。
“Kyorei” is one of the three pieces “Kyorei” “Koku” and “Mukaiji” which are considered to be the most important pieces in the classical shakuhachi, and is said to have been passed down to the komuso temple called Reitakuzan Fudaiji, which was located near Hamamatsu Station in Shizuoka Prefecture.
