Here's a brief list of percussion literature available in duet form with various instrumentation set-ups.

Keyboard Percussion Duos

• Fifteen Bach Inventions J.S. Bach/Lang Warner Bros.
• Duets for Vibraphone Bergamo, J. Tamala Pub.
• Mallet for Classic (collection) Fink, S. Simrock
• Wooden Music O'Meara, R. Music For Percussion
• Duo Miniatures for Keybd. Perc. Tanner, P. Music For Percussion
• Dialogues (collection) Friedman/Samuels Marimba Productions
• Twelve Duets for 2 Violins, Op. 38 MAZAS Carl Fischer
• Space Dancer Lipner, A. Mallet Works Music
• Busy Signal Molenhof, B. Kendor Music

Multiple Percussion

• Recital Duets for Snare Drum w/CD Whaley, G. Meredith Music
• Intermediate Duets for Snare Drum Whaley Meredith Music
• Eight Etudes for Two Percussionists Carey Galaxy Music
• Six Allegro Duets Colgrass, M. Schirmer
• Mini-Musik Fink, S. Schott
• Thirtv-two Duets for Percussion McCormick Schirmer
• Reflections Knack Music For Percussion

Timpani

• Duo for Timpani Lepak, A. Windsor
• March for Two Pairs of Kettledrums Philidor Joseph Marx
• Duets 1 and 2 for Timpani Leonard, S. Stanley Leonard
• Suite for 4 Timpani and Drumset Firth, Vic Gun/Mar.

Drumset

• Funk for Two Keown, A. Matrix Publishing
• Rock Duo Houllif, M. Kendor Music
• Drumset Duos Famularo, D. D.C. Publishers