As a follow-up to Extreme Flute (A Bruce Jones/Bill McBirnie Collaboration), "Desvio", Bill McBirnie has released his first self-produced CD, "Scratch It!", in which he single-handedly executes every facet of the work from composition and performance through to engineering and mixing. The most striking element of the production is, of course, his remarkable flute playing which includes performances on the entire family of flutes--C flute, alto flute, bass flute and piccolo. The repertoire co …