Composer Collider

"Composer collider" is a workshop series for composition students and alumni of different universities which should give them the opportunity to work together with a professional ensemble for contemporary music and a conductor.

The programme Composer Collider Europe runs from 2017 to 2020.


Musicians of Ensemble Musikfabrik made these video tutorials in which they introduce their instruments and specific playing techniques to composition students.

Marco Blaauw, trumpeter of Ensemble Musikfabrik, explains the cup-mute, the wah-wah-mute and filtering sounds on the trumpet:



Violoncellist Dirk Wietheger explains the natural flageolets on the cello:

Marco Blaauw prepared two tutorials on trumpet mutes:


Marco Blaauw explains the topic of microtones for the trumpet:

"ON Trumpet Pitch Range", explained by Marco Blaauw for trumpet players:


In this tutorial, Bruce Collings presents a mute technique for trombone players:

"Stopped Horn Glissandos" - Christine Chapman explains especially for composers  what this is all about.

Christine Chapman on "split tones" and how to find them:

For composers especially, Helen Bledsoe explains the articulation of vowels and consonants on the flute:

Florentin Ginot explains a specific pizzicato technicke on the double bass:

Dirk Wietheger explains vertical bowing (col legno and con crini) on the cello:

Helen Bledsoe is presenting the multiphonics on her flute:

Carl Rosman is talking about the sound-category of small-interval dyad multiphonics:

Bruce Collings shows the playing technic of double bell trombone:


Hochschule für Musik und Tanz, Köln

Robert Schumann Hochschule Düsseldorf

Hochschule für Musik, Theater und Medien, Hannover

Folkwang Universität der Künste, Essen

Hochschule für Musik. Carl Maria von Weber, Dresden

Instytut Adama Mickiewicz, Warschau

The following video shows impressions from one of the workshops with in Cologne:


photos ©Adam Grabolus