Orff instruments Orff instruments - Level 3 - Digital Download SKU: A0.1443193 By Donkeyman. By Simon Cordova. Arranged by A. P. Costa and André Pires Costa. 19th Century,Film/TV. 21 pages. André Pires Costa #1023135. Published by André Pires Costa (A0.1443193). I made this arrangement of the Sponge Bob Closing Theme for my students of orff ensemble, hope you like it :). The instrumentation is Soprano Glockenspield, Soprano Xylophone, Soprano Metalhophone, Alto/Tenor Xylophone, Alto /Tenor Metalhophone, Bass Xylophone, Bass Metalhophone, Guitar, Harp (optional), Piano.