Sonny's Squawk

[John Robinson]

Can anyone explain how Sonny Rollins produced the scooped honk about half-way through his solo on Mortitat(Mack the Knife) on the Saxophone Collusus album? It may have been an accident, but the effect is perfect. Thanks for any insights! :?:

[saxplayer07]

I think that was an accident.lol. That's a great CD.