> It helps if you keep a tightness, or ambiture (sp?) which is how a horns or winds player would describe lip/cheek tightness. Yea I went from being a mediocre

> It helps if you keep a tightness, or ambiture (sp?) which is how a horns or winds player would describe lip/cheek tightness. Yea I went from being a mediocre whistler to crazy good at it when I played wind instrument seriously for a decade. But that was decades ago so now I'm back to mediocrity. Also the word you are looking for is "embouchure"