The saxophonist Heddy Boubaker stopped playing the instrument last year after what he describes as health problems. “I started to think,” he writes on his website’s homepage, “about [a] new way to continue my sound explorations and expression in free improvisation.” And what he decided to do was focus on the modular synthesizer. His soundcloud.com/hbbk account has, subsequent to the shift in instrumentation, provided a steady stream of his experimentation. The burbling-brook popping of “Impro#12 2011-04-30 (From the Ghost to the Machine)” suggests a parallel to certain duck-call-like embouchure techniques in European free improvisation:
And the low rumble that runs underneath “Impro#14 2011-05-07 (Sausages for Algernon)” bring to mind some of the implementations of circular breathing:
More on Boubaker at heddy.boubaker.free.fr.