EXAMPLES OF THE ARTISTIC USE OF THE TECHNIQUE
How well one can also sing without vibrato using this technique is illustrated through this example:
Anatolijus Senderovas - Four songs by Sigitas Geda
Lieder by Brahms, Strauss, Ullmann and Mahler
MASTERCLASS DOCUMENTATION
April 2012 at Gut Zernikow - singers who had been introduced to the film THE LIBERATION OF SOUND and wanted to try the technique themselves, under observation.