INFO:

Source: TVRip
Video compression mode: [MKV,1080p][H.264,AC3]
Size MB: 2770
Total Run Time mn. 55:31

Analysis of Stratos's voice has shown that the musician was able to produce diplophony, bitonal and diphonic sounds. But there are also messages contained therein.
(This video, downloaded from this platform, is a recording of a television broadcast.)

Extra:
Area e Demetrio Stratos - Speciale Blob
Video: Giro Giro Tondo (1977)