Koen Herfst (1983, The Netherlands) is a versatile drummer, playing rock, metal, pop, hiphop and dance. He is known for his work with nr. 1 DJ in the world ARMIN VAN BUUREN, death metal band I CHAOS, thrash metal band DEW-SCENTED and crossover band BAGGA BOWNZ, amongst many other bands and projects. Playing on a professional level since he was 17, he has now played in more than 35 countries for audiences of 18 to 180.000.

Readers of Dutch drummagazine ‘Slagwerkkrant’ recently voted him as #1 rock/metal drummers of his country and #3 in the ‘Drummer’s Drummer’ category. Koen just finished a massive worldtour with ARMIN VAN BUUREN where he, as part of the ‘ARMIN ONLY’ show, played drumsolo’s for audiences between 10.000 and 25.000 people in venues like MADISON SQUARE GARDEN (New York), THE FORUM (L.A.), ZIGGODOME (Amsterdam) and COCA COLA DOME (Johannesburg).

This year Koen will release his first soloalbum “BACK TO BALANCE”; which brings together many musicians he played with in his career. Check out this little teaser for a first preview, more previews will follow soon:

You can pre-order the album soon, be sure to like my Facebookpage to know when :-)

Next to the release of his soloalbum, Koen is also working on the release of new I CHAOS and Dew-Scented albums, collaborations with DJ’s, recording projects in his own drumstudio, teaching and giving clinics. For updates check out these links:


Koen rocking a drumsolo at THE FORUM, L.A.:



Koen in Mexico City (GoPro chestcam):

Koen on the cover of Dutch drummagazine ‘SLAGWERKKRANT':

Worked with:

Armin van Buuren, I Chaos, Bagga Bownz, Dew-Scented, Epica, After Forever, Neverlanded, Maxville, Marcel Singor, Xenobia, Bobby Kimball (Toto), Chris Thompson (Manfred Mann’s Earthband), ReVamp, Anna Phoebe (Oi Va Voi / Trans-Siberian Orchestra), Russel Allen (Symphony X), Doro, Udo (Accept), Cristina Scabbia (Lacuna Coil), Damian Wilson (Threshold), Chuck Billy (Testamant) and many others.