Here's 37 minutes of audio from the question and answer portion of a Vinnie Colaiuta clinic. He opens with some discussion of playing in 19/16 on Keep It Greasey, from Joe's Garage by Frank Zappa (which reminds me, I think maybe Santa might have a transcription for you coming up). At a certain point in my life I would've worn out the cassette hanging on every word of this, despite the quality being a little rough:
As I'm listening through: He discusses getting an authentic feel in samba and baiao, which is something else we've talked about here, and also the non-alternating flam drag, which is similar to one of my licks.
h/t to Stitch Kaboodle @ Drummerworld