Available to hire
I am a conductor, composer, arranger and writer who creates music for stage, screen, (short) movies and events. I conduct pop choirs, arrange for orchestras and compose soundtracks for plays and musical theatre.
I also teach Body Percussion Workshops and lecture on Film Music and other contemporary music topics. I’ve written music columns on topics from car horns to the origins of Bluetooth, and I’ve arranged pieces for Wiener Philharmoniker and the Salzburger Festspiele.
Please, check my ‘Sound-CV’ at Website not available. Sign in: https://www.twine.net/signup/hackman and/or
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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, 2025Taught 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 - PresentComposed 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, 2025Taught 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; 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, 2025Teacher 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.
Education
Studied composition and arranging at the Rotterdam Conservatory (NL). at Rotterdam Conservatory (NL)
September 1, 1979 - July 30, 1985See for resume: Lex Hakker at LinkedIn.
Science of Music at Amsterdam University (NL)
October 1, 1990 - July 30, 1994Musicology at University of Amsterdam
January 1, 1987 - January 1, 1988Composition/Arranging/Conducting at Jazz Academy / Rotterdam Conservatorium
January 1, 1978 - December 31, 1984Qualifications
Certified Composer/Arranger Rotterdam Conservatory (NL)
January 1, 1985 - October 4, 2014I 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, 2025Keyboard course author, Leidse OnderwijsInstellingen (LOI)
January 11, 2030 - October 12, 2025Author of 106 Sight Singing and Ear Training Exercises for Pop Musicians
January 11, 2030 - January 21, 2026Industry Experience
Education, Media & Entertainment, Non-Profit Organization, Professional Services, Other
Faust (a contemporary aproach)
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