Crazy Tree Music

2025

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Willem Heylen - Guitar & Fx

Ruben De Maesschalck - Bass

Jonas Boutsen - Drums

Hanne De Backer - Bass Clarinet, Bartione Sax

Stan Maris - Accordion & Fx

Challenge Records

2024

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Willem Heylen - Guitar
Eric Thielemans - Drums & Percussion
Kurt Van Herck - Tenor and Soprane saxophone, Native Flute

Jozef Dumoulin - Piano & Keys

Cloudshaper

2024

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Willem Heylen - Guitar & Electronics

Thomas Geysen - Drums & Electronics

Aram Abgaryan - Keys & Electronics

Selah Sue - Vocals

AFRO - Vocals

Yann Gaudeuille - Vocals

Fahad Seriki - Vocals

Splurgeboys - Vocals

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Radar Records

2023

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Willem Heylen - Guitar & Electronics

Thomas Geysen - Drums & Electronics

Aram Abgaryan - Keys & Electronics

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WERF

2022

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Joachim Badenhorst - Clarinet
Willem Heylen - Guitar
Marjolein Vernimmen - Harp
Ruben De Maesschalck - Bass
Anke Verslype - Drums

Cloudshaper

2020

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Willem Heylen - Guitar & Electronics
Thomas Geysen - Drums & Electronics
Aram Abgaryan - Keys & Electronics

Independent

2020

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Willem Heylen - Guitar
Nathalie Van Den Meutter - Vocals

Lotte De Peuter Backing Vocals/Flute

Rudolf Hecke - Music/Lyrics

Koen Renders - Piano

Xavier De Clercq - Bass

Laurens Billiet - Drums

Tine Anthonis - Cello

Beatrijs De Klerck - Viool

Cedric Murrath - Viool

Jasmien Van Hauthem - Alt Viool

OORWERK

2019

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Willem Heylen - Guitar
Eric Thielemans - Drums & Percussion
Kurt Van Herck - Tenor and Soprane saxophone, Native Flute

Jozef Dumoulin - Piano

Independent

2017

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Willem Heylen - Guitar

Independent

2017

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Willem Heylen - Guitar

Marcelo Moncada - Sax & EWI

Thomas Geysen - Drums & Electronics

Independent

2015

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Willem Heylen : Guitar
Ruben De Maesschalck : Bass
Tom Lambrecht : Drums

WERF

2024

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Joachim Badenhorst - Clarinet

Niels Van Heertum - Euphonium
Willem Heylen - Guitar
Marjolein Vernimmen - Harp
Ruben De Maesschalck - Bass
Anke Verslype - Drums

Independent

2024

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Willem Heylen - Guitar

Eva Korse - Drums

Wouter De Belder - Bass, Viool

Inez Wolters - Vocals

El Negoctio

2023

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Willem Heylen - Guitar

Anke Verslype - Drums

Jozef Dumoulin - Rhodes

Frans Van Isacker - Clarinet, Alto

Lynn Cassiers - Vocals + Fx

Yannick Peeters - Double Bass

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Starsky Records

2023

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Leki - Vocals

Stef Kamil Carlens - Production
Willem Heylen - Guitar

Nicolas Mortelmans - Sitar, Percussion
Enicé Mokamba - Backing Vocals
Tomas De Smet - Bass, Percussion

Thomas De Prins - Keys

Maarten Moesen - Percussion

Independent

2021

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Willem Heylen - Guitar
Marjolein Vernimmen - Harp
Ruben De Maesschalck - Electric Bass
Anke Verslype - Drums

OORWERK

2020

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Willem Heylen - Guitar
Eric Thielemans - Drums & Percussion
Kurt Van Herck - Tenor and Soprane saxophone, Native Flute

Jozef Dumoulin - Piano

Independent

2020

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Willem Heylen - Guitar
Ruben Van Cauwenberghe - Harmonica
Jasper De Roeck - Double Bass
Anke Verslype - Drums

Independent

2019

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Willem Heylen - Guitar

Nicolas Morgelmans - Sitar
Jordi Geuens - Drums
Ralp Hermans - Electric Bass

Independent

2017

Willem Heylen - Guitar
Ruben De Maesschalck - Bass
Jonas Boutsen - Drums
Willem Malfliet - Guitar
Stan Maris - Accordion 

Independent

2016

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Willem Heylen : Guitar