2018
- The Beatles number 1 hits medley for the Belgian Brass ensemble
- Utopia Hymn for the official inauguration of the Utopia Arts Centre Aalst
2017
- Two pieces for vibraphone and clarinet
- Impression for recorder and classical guitar
- Perpetuum Mobile for organ
2016
- piano pieces Songs of hope
2015
- release score Suite for organ at www.euprint.be
- release CD Concerto Continuo
2014
- The Rock, multimedia show based on the music of The Wall (Pink Floyd)
- Faust, suite for clarinet quartet, commissioned by Theatre Abazjour Aalst
- CD recording of Pianopieces I & II, Hommage (piano + violin) and Triptic (piano + basstrombone)
2013
- publication Hommage by Metropolis Music Publishing, a classical piece for violin and piano.
- premiere Four pieces for brass quartet – publication by Metropolis Music Publishing soon
- string quartet arrangements for singer Sarah Ferri
- release 2nd single Blinded by Geike Arnaert, co-written by Karel
2012
- publication of piano books by Metropolis Music Publishing, Children – Piano pieces 1 – Piano pieces II
- Bestiarium(Leonardo Da Vinci), a piece for youth female choir Caloroso in collaboration with composer Maarten Van Ingelghem and theatre writer Alain Pringels
- publication Trinity by Metropolis Music Publishing, a piece for bass trombone and piano (or vibraphone)
- The Mad King suite for the Royal Music Chapel of the Marines, performed in Oostende
2009
- compositions for the new project of Kyoko Baertsoen (Lunascape, Hooverphonic)
- Trinity for bass trombone and vibes
- arrangements for the project 3 x Goud, a music theatre on the occasion of 150 years Academie voor Podiumkunsten Aalst
2008
- Karel (piano) en Mieke Delauré (cello) accompany Geike Arnaert on September 10th at BOZAR in Brussels at the Klarafestival
2007
- official CD presentation of Radea at Blue Note Festival Ghent.
- Radea, Chroma’s debut album. Singers David Linx and Geike Arnaert (Hooverphonic), Peter Hertmans (guitar), Ingrid Weetjens (vocals), Tuur Florizoone (accordion) and Peter Schneider (percussion) co-operate on the album
- Conversations, a combination of jazz and fusion, with accordionist Tuur Florizoone (Tricycle) and actress Hilde Heijnen (Rupel, Matroesjka’s), playwright by Alain Pringels (theatre company ‘De Appel’ – The Hague)
- Stop!: for this stalled project, Karel Van Marcke writes the music in a week based on existing choreography and libretto.
2006
- composition of several songs for the album Radea by Chroma.
- music and arrangements for the children’s musical Commenius project performed by the children of the primary school Sint–Bavo–Instituut Ghent.
- project Mijn Kapellekensbaan (‘My Chapel Road’) commissioned by the Aalsters Componistenplatform. A concert with a jazz ensemble together with a narrator/actor and a dancer, based on the novel by Louis Paul Boon. The spectacle was directed by Anton Coghe.
- co-operation between Chroma and Hilde Heijnen for the Gentse Feesten (‘The Ghent Festival’).
- arrangements for the musical theatre Moenie worrie nie! in Aalst.
2005
- Senses for Life wins the Sabam Composition Prize 2005 (European Jazz Contest in Hoeilaart).
- foundation of jazz band Chroma.
- Hommage for piano and violin commissioned by vzw Muza (Aalst).
- Suite for Organ’, a classical organ piece, commissioned by the Internationaal Orgelfestival in Veurne.
- music and arrangements for the children’s musical Commenius project performed by the children of the primary school Sint–Bavo–Instituut Ghent.
2004
- Rotary Wheels (Overture for a Stranger) commissioned by the Flemish Radio Orchestra.
- guest composer at the Brussels Royal Conservatory on the occasion of the Belgian Jazz Composers’ Week.
2003
- project De Zotte Koning (‘The Mad King’): a multimedia jazz concert. A script by actor/director Alain Pringels based on a jazz composition by Karel Van Marcke with video fragments by Visual Kitchen and the voices of Eddy Vereycken and Hilde Heijnen. The sound processing is done by Köhn.
- Remembrance, Jambangle’s second album.
- Zappa Meets Bond: project by Jambangle with Kyoko and Tom Van Landuyt with work of Frank Zappa and film music from the James Bond movies.
2002
- tour with Jambangle for the JazzLab Series.
- Trinity Song, Jambangle’s debut album.
2001
- Stringquartet 1 commissioned by Soloists of the Philharmonic Orchestra of Luxembourg. Rubio String Quartet played the Belgian premiere in June 2001.
- Together with Michel Bisceglia and Werner Bellon, Karel Van Marcke arranges the music for the animated series Symfollies.
- Jambangle performs on Radio Klara Day in Hasselt.
2000
- Changes wins the Sabam Composition Prize 2000 (European Jazz Contest in Hoeilaart).
- eight compositions for Jambangle’s debut album: ‘Trinity Song’.
- piano solo works Children.
‘Sebastian Gampert’s Contrast Sextet’ receives the second prize for best performance of a Belgian piece.
1999
- Triptic: brass quintet for the Soloists of the National Orchestra of Belgium.
- Ouverture for Symphonic Brassband: several compositions are performed during the final exam Composition and Arrangement by Erwin Vann, Stephan Brackaval, Michel Bisceglia, De muziekkapel van de Gidsen e.a.
- Eurostar soundtrack for two promotional movies for the British High Speed . The movies were presented to Tony Blair and the British Parliament.
- arrangements for large string orchestra commissioned by Michel Bisceglia
1998
- Variations on a theme called Equinox for large jazz ensemble.
- Soundtrack for the V-lux promotion movie
- Birth of the Monday Night Suite for large jazz ensemble.
- Train tune for large jazz ensemble.