I am a composer, arranger, writer and a conductor based in the Netherlands. I create SoundScores (Sonorama's) for plays, videos, and musical theatre, arrange for orchestras including projects with the Wiener Philharmoniker, and have collaborated on educational performances for Salzburger Festspiele.nI . I also teach Body Percussion Workshops, lecture on film music and contemporary music subjects, and write music columns such as the piece on topics from car horns to the origins of Bluetooth. I authored 106 Sight Singing and Ear Training Exercises for Pop Musicians and have arranged works for the Disney Classic Medley and other educational ensembles.…

Lex Hakker

I am a composer, arranger, writer and a conductor based in the Netherlands. I create SoundScores (Sonorama's) for plays, videos, and musical theatre, arrange for orchestras including projects with the Wiener Philharmoniker, and have collaborated on educational performances for Salzburger Festspiele.nI . I also teach Body Percussion Workshops, lecture on film music and contemporary music subjects, and write music columns such as the piece on topics from car horns to the origins of Bluetooth. I authored 106 Sight Singing and Ear Training Exercises for Pop Musicians and have arranged works for the Disney Classic Medley and other educational ensembles.…

Available to hire

I am a composer, arranger, writer and a conductor based in the Netherlands. I create SoundScores (Sonorama’s) for plays, videos, and musical theatre, arrange for orchestras including projects with the Wiener Philharmoniker, and have collaborated on educational performances for Salzburger Festspiele.nI . I also teach Body Percussion Workshops, lecture on film music and contemporary music subjects, and write music columns such as the piece on topics from car horns to the origins of Bluetooth. I authored 106 Sight Singing and Ear Training Exercises for Pop Musicians and have arranged works for the Disney Classic Medley and other educational ensembles.

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Language

Dutch
Fluent
English
Advanced
German
Intermediate

Work Experience

Teacher of Music Theory and Songwriting at Codarts Rotterdam Conservatory Jazz-, Pop and Musical Theatre Academy
December 31, 2012 - July 30, 2025
Taught music theory and songwriting from 1979 to 2012, helping students develop their compositional and arranging skills. Worked closely with students in jazz, pop, and musical theatre disciplines.
Composer/Arranger at Various national and international choirs, jazz- and pop ensembles, big bands, symphonic ensembles
January 1, 1979 - Present
Composed and arranged music for a variety of ensembles including the Wiener Philharmoniker. Worked on children’s musical plays, dance performances, stage plays and short videos. Collaborated on educational projects and opera arrangements for notable institutions.
Teacher of Music Theory and Songwriting at Codarts Rotterdam Conservatory - Jazz-, Pop and Musical Theatre Academy
December 31, 2012 - October 12, 2015
Taught music theory and songwriting; developed curricula; composed/arranged for national and international choirs, jazz and pop ensembles, big bands and symphonic ensembles (including Wiener Philharmoniker); composed music for children’s theatre, dance performances and stage plays; created music/soundscapes for short films (Sonorama's); authored a keyboard course for LOI and served as co-coordinator of LOI's music department; worked as an arranger for ChorusOnLine (a cappella choir music).
Teacher of Music Theory and Songwriting at Codarts Rotterdam Conservatory – Jazz, Pop and Musical Theater Academy
January 1, 2012 - October 12, 2025
Teacher of Music Theory and Songwriting at Codarts Rotterdam Conservatory Jazz-, Pop and Musical Theater Academy; responsible for teaching and developing curricula; composed/arranged for numerous national and international choirs, jazz- and pop ensembles, big bands and symphonic ensembles (including Wiener Philharmoniker); created music for children's musical plays, dance performances, stage plays, and music/soundscapes for short animated films; author of a keyboard course for LOI and co-coordinator of the LOI music department; arranged for ChorusOnLine, a Dutch publisher specializing in (a cappella) choir arrangements.
Composer / Arranger at Wiener Philharmoniker
January 1, 2023 - Present
Arranged Katya Kabanova (Janáček) and The Idiot (Weinberg) for a symphonic ensemble with members of the Wiener Philharmoniker for the Salzburger Festspiele (Austria); composed sound scores for plays, films and musical theatre projects.

Education

Studied composition and arranging at the Rotterdam Conservatory (NL). at Rotterdam Conservatory (NL)
September 1, 1979 - July 30, 1985
See for resume: Lex Hakker at LinkedIn.
Science of Music at Amsterdam University (NL)
October 1, 1990 - July 30, 1994
Musicology at University of Amsterdam
January 1, 1987 - January 1, 1988
Composition/Arranging/Conducting at Jazz Academy / Rotterdam Conservatorium
January 1, 1978 - December 31, 1984
at Leidse OnderwijsInstellingen
January 11, 2030 - April 17, 2026
at LOI
January 11, 2030 - April 17, 2026

Qualifications

Certified Composer/Arranger Rotterdam Conservatory (NL)
January 1, 1985 - October 4, 2014
I was a Music Theory Teacher for over 30 years with the Jazz Academy and Musical Theatre Academy of the Rotterdam Conservatory (NL). I composed/arranged for big bands, theatre plays, sound scapes, symphonic ensembles.
106 Sight Singing and Ear Training Exercises for Pop Musicians
January 11, 2030 - October 12, 2025
Keyboard course author, Leidse OnderwijsInstellingen (LOI)
January 11, 2030 - October 12, 2025
Author of 106 Sight Singing and Ear Training Exercises for Pop Musicians
January 11, 2030 - January 21, 2026

Industry Experience

Education, Media & Entertainment, Non-Profit Organization, Professional Services, Other
    uniE621 Sonata Cinematica
    A Cinematic Expression in two parts. In bombastic and heroic style In contemplative and Gregorian-chant style.…
    uniE603 A Girl Called Alaska - cello/piano
    A classical composition for cello and piano in the free a-tonal style from the mini-opera 'Mind Your Mind' by Vanny Gend and Lex Hakker (2016). instrumental soundtrack…
    uniE603 Stage, Plays and Video-Medley
    This track is a compilation of fragments of stage plays, location-projects, video's and educational projects by the Wiener Philharmoniker (Salzburger Festspiele, Wien). instrumental soundtrack…
    uniE603 Requiem for Gaja (2007)
    'Requiem for Gaia' was a soundtrack for a dance choreography by the Dutch choreographer Panda van Proosdij for the students of the Rotterdam Conservatory Musical Theatre Department (2007). The message was to be very-very careful with our earth. We only have one... instrumental soundtrack…
    uniE603 Faust (a contemporary approach)
    A contemporary approach for a Soundscape for a contemporary version of 'Faust'. instrumental soundtrack…
    uniE603 Lex Hakker - Zij Laat Haar Polder Zien (KRIMP!)
    KRIMP! was a large theatre location project in Gouda (The Netherlands). The story unfolds along the river IJssel, making use of all the industries and bridge-possibilities that where there. Trumpet: Gerard Schooneveld music instrumental soundtrack…
    uniE603 The Demon's Dungeon (Location Project in The Netherlands)
    This composition was part of a sound track for a thriller play. music instrumental soundtrack…
    uniE603 Mysterious River Edge (from: KRIMP!).
    'Mysterious River Edge' was a soundscape for the extensive theater project alongside the river IJssel called 'KRIMP!'. instrumental soundtrack…
    paper Faust (a contemporary aproach)

    Faust (a contemporary aproach)

    uniE603 DRESDEN (1945)
    This composition was inspired by the German bombardment in 1945 of Dresden. music instrumental soundtrack…
    uniE603 Mime Scene Shakespeare Play 'The Merry Wives of Windsor'.
    This composition is part of a soundtrack for a Shakespeare theatre play. During the music there was a mime involving three actors. Director: Hans van Hechten instrumental music soundtrack…
    uniE603 Ken Je Mij
    A religious song composed by Huub Oosterhuis and Stijn van der Loo. I created a 4-part a cappella arrangement (SSAA) for a theatre show by Divina a Capella (Utrecht/NL). music vocal…