The wonderful percussionist Miquel Angel Bernat has been performing my 1998 piece "Vibraphone and Sine Waves: Beat Generation in the California Coastal Ranges" for quite some time now. Here's a video of him performing it on a beautiful vibraphone made by the Alves company in Brazil. You can watch the video HERE:
https://www.youtube.com/watch?v=Bfpp-RTD4Co
or HERE: