It was released as part of Peter Szöke's 1987 Hungarian recording "The Unknown Music of Birds," where he records many birds and slows down their pitches to reveal what's underneath.
这是由Peter Szöke发行的 1987匈牙利专辑中的一个选段 “未知的鸟类音乐“， 他录制了很多鸟的声音 并放慢它们的音高 来展现鸟类声音的本质。