Rhapsody for Vibraphone and Marimba by Michael Taylor 

(headphones recommended)
Performed by Quey Percussion Duo
Gene Koshinski and Tim Broscious
www.qpdmusic.com
*Score available at www.miketaylorpercussion.com
Video: Marc Hill
MALLETS: Innovative Percussion Artisan Series IP5003 (1 bass mallet), IP5004 (top 3 mallets). IP-RS40 Vibraphone Mallets. [The NJZ marimba mallets in the video are discontinued and the IP JT23 vibe mallets used here are an older (harder) stick that is not available]
GEAR: 5 Octave Adams Alpha Marimba, 3 Octave Adams Alpha Vibraphone (gold bar)