OPEN/shut (2010) is a solo for multi-keyboard (marimba/vibraphone) and was premiered on March 3, 2010 at the University of South Florida. There is now an optional quartet accompaniment of tuned metals that was later added in 2016.
The below recoding is a live performance by Kevin Raab from his senior recital at the University of North Texas:
This video features Theodore Jackson, an alum of the UCF Percussion Studio: