[Purchase at Gumroad](https://thadanderson.gumroad.com/l/openshut) **OPEN/shut** (2010 and later revised in 2016) 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. A version for solo marimba is also available upon request. --- This video features Theodore Jackson, an alum of the UCF Percussion Studio, performing OPEN/shut: <iframe width="560" height="315" src="https://www.youtube.com/embed/0jjLU8oERRw?si=QckG1VGtOWlcbasW" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>