Says Dr Google – “Kenny G used circular breathing to sustain an E-flat on a saxophone for 45 minutes and 47 seconds. On February 2000, Vann Burchfield set a new Guinness world record for circular breathing, holding one continuous note for 47 minutes, 6 seconds, surpassing Kenny G’s record”.
Us sleepy Ozzies can do this on a hollow log, oft near muddy waters, or a “billabong”,
and, you can see you tube vids on how to use a straw in a glass of water to learn how to impress you friends and influence people, say.