Hi there LT. Don't know if this will help:
"While speaking at London's National Film Theatre in 2009, Ben Burtt disclosed that the alien gibberish sprouted by the Mos Eisley spy Garindan/Long Snoot in Star Wars was actually the processed voice of John Wayne. "
You can find it down near the end of this:
Hope it helps, KEITH
That actually helps a whole lot, now I gotta drag out the DVD to see if I can hear Duke.
Thanks so much for your quick and kind answer, hope one day I can return the favor.