[1] The Cycle is focused on the relationship and the interpolation between natural sounds and human voice, the main musical interest of the composer on which he has been researching for a long time, starting from Red Bird composition released through analog means.

[2] [3] [4] The poetics at the base of the work has linguistic and philosophical marks, regarding the relationship between creation and disintegration of man, between natural developments and failure of western culture and society.

[5] All the movements included in the original record are performed by the Electric Phoenix ensemble,[6] using the extended vocal techniques following the scores according to the composer's indications.

[2] Commissioned by IRCAM in 1981 and released in 1986, this composition resumes the characteristics of the entire cycle in its several production steps.

[1] The methodology at the base of the entire work is focused on the musical space as sonorous continuum and the concept of transformation, from a spectromorphological point of view.