On Sept 20, 2017, Ted Chamberlain taught the "straw bubbling" technique using a "Vox Tube." The two attached documents provide basic instruction and more complete information for those interested individuals.
John Ludeman commented, " I highly encourage folks to sing a passage without, then with, then without again and match the breathing and vocal sensation when singing with the tube. It takes *way* less work and *lots* more relaxation then you realize. Keep reminding yourself how it feels till you can recreate it the feeling without the tube."
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