Template:Mertens, Walter Works
Snare Drum Works
Side by Side
Mellow March
Marka
Something Else
Taptoe, Toreador, Tango Targa
Chatooga
Posanita, Chasity
Valse di Nargal
Timpani Works
Battle
Marcia Maestoso
Lancelot
Bascobert
Garbi
Crorac, Kerloti
Tessotto
Polter
Mendara
3 Little Timpani Stories
Drumset Works
Sendrum
Kerrylou
Tarciel, Jolama, Traboel, Mlako, Cilex
Double or Nothing
Mallet Percussion Works
Vibraphone
Passages
Time for a Coffee Break
The path before me
Home alone in 2020
Papilio Hilari
Xylophone
Xylofravo
Mallets on Stage
Cassiopeia
Marimba
Toccetto
Villa Barca
Bany's Waltz
Multiple Percussion Works
D.D. in the mix
Mini-Matti-Suiti
Chosenass
Concerto
Song for the Open Road (Vibraphone Concerto)
Concertino Batta
Recital Pieces
Recital Pieces for Timpani I
Recital Pieces for Timpani II
Recital Pieces for Timpani III
Recital Pieces for Timpani IV
Recital Pieces for Timpani V (Batsco)
Recital Pieces for Snare Drum V (Dagmar Feyen composed the Piano part)
Percussion Ensemble Works
A Fly in the desert
Aride
Atlantic Breeze
Bamdrasch Procession
Centurio's March
Drummer"s Symphony N°1
Drummer's Symphony N°2
French Coffee
Kelbodus
Play Samba
Percussive Typhoon
Petrol Zuid
Place de la Gofâ
Playing together N°1
Playing together N°2
Prelude, toccata & fuga
Ripalata
Scenes from the earth
Spring is Coming
Synbad
The Kansalla Story
Tower in the Cloud
Triptichon