Composer | Arranger | Music Educator | Music Engraver
Professional composition, orchestration, arrangement, score preparation, music copying, score digitization, and music engraving services.
Serving orchestras, chamber ensembles, choirs, bands, music publishers, filmmakers, producers, music institutions, composers, conductors, and professional performing artists.
Welcome to the official site of Houman Khalaj, a Belgian–Persian composer, arranger, orchestrator, music engraver, and educator known for his compositions in contemporary Symphonic Orchestral, Chamber Orchestra, Ensemble, Chamber, and Vocal Music.
Master's degrees in Music Composition and Music Writing from the Royal Conservatories of Brussels and Antwerp. Houman provides professional composition, orchestration, arrangement, MIDI Mockups & Virtual Orchestration, music engraving, and score preparation services for concert performances, recording sessions, music publishing, film, television, theatre, opera, and media productions.
Houman actively explores a spectrum of musical styles. He has composed over 30 works including concerti, oratorios, lieder, electronic music, stage music, chamber music and symphonic works. Some of his compositions intricately combine Western classical music and avant-garde techniques with elements inspired by the traditional and folk music of Persian culture. In other works, he delves into the realms of Western classical music and avant-garde techniques, showcasing a diverse range of influences. Immerse yourself in Houman's distinctive musical creations, where each piece reflects a careful balance of innovation and cultural heritage.
*AS A COMPOSER*
Commission an original composition tailored to your artistic vision. Houman composes music for symphonic orchestra, chamber ensembles, choir, solo instruments, film, television, theatre, opera, and multimedia productions, creating expressive works that combine artistic excellence with technical precision.
Houman desires to engage with and explore a diverse range of musical genres, including:
Concert Music
Film & Television
Music Theater & Opera
Dance & Ballet Music
Electroacoustic Music
*Professional Music Arrangement, Orchestration & Engraving Services*
Houman provides tailored professional music arrangement, orchestration, score preparation, and music engraving services for concert performances, music publication, recording sessions, film, television, theatre, opera, and media productions.
Transform your musical ideas into professional, performance-ready works.
Services include:
Music Transcription
Transposition
Harmony Writing on Your Existing Melody
Part Writing & Counterpoint
Arrangement
Orchestration
Professional MIDI Mockups & Virtual Orchestration
Music Copying & Score Digitization
Professional Music Engraving
Depending on the commissioned service, deliverables may include PDF, MusicXML, MIDI, Sibelius, Dorico, MP3, or WAV files, providing maximum flexibility for rehearsal, recording, publication, and future editing.
Every project is tailored to your artistic vision and technical requirements, with meticulous attention to detail and expert musical guidance throughout the process. Whether you require a single service or a complete workflow, Houman combines expertise in composition, orchestration, arranging, and music notation to deliver polished, performance-ready scores and professional musical solutions.
*Music Lessons*
“Private or group music lessons” are offered for students of all levels and ages, including beginner, intermediate, and advanced. Classes include:
Composition
Piano (beginners/ Intermediate)
Music Writing
Music Theory
Commissions
&
Professional Services
1
Commission a New Composition
Commission an original composition tailored to your artistic vision. Houman composes music for symphonic orchestra, chamber orchestra, chamber ensembles, choir, solo instruments, film, television, theatre, opera and multimedia productions, creating expressive works that combine artistic excellence with technical precision.
2
Private Music Lesson
“Private or group music lessons” are held for students of all levels and ages, including beginner, intermediate, and advanced. Classes include:
Music Theory lessons
Piano classes
Composition classes
Music Writing lessons
3
Professional Score Digitization & Engraving Services
Houman provides professional music copying,score digitization, and music engraving services, transforming handwritten manuscripts, printed scores, PDF files, MIDI files, DAW projects, or existing digital notation files into professionally prepared full scores and individual parts or Sheet Music, . Whether creating digital notation from a source or refining existing Sibelius, Dorico, or MusicXML files, every score is prepared with meticulous attention to readability, notation accuracy, layout, spacing, and professional publishing standards. Deliverables may include professionally engraved PDF, MusicXML, Sibelius, or Dorico project files.
4
Professional Music Arrangement
Professional music arrangement services including harmony writing, counterpoint, transposition, music transcription, and custom arrangements for chamber ensembles, orchestras, choirs, bands, and other instrumental, vocal, or media projects. Houman transforms existing pieces, themes, or musical ideas into fresh and engaging arrangements tailored to your desired musical style, instrumentation, and artistic vision. Every arrangement is carefully crafted with the appropriate melodic, harmonic, rhythmic, and textural complexity, incorporating polyphonic writing where appropriate while considering the technical abilities of your musicians and singers. Professionally prepared Full Scores, Individual Parts (Part Sets), and Sheet Music are provided in formats including PDF, and a demo audio: MP3, or WAV.
5
Professional Music Orchestration
Professional music orchestration services for symphony orchestras, chamber ensembles, bands, choirs, and media productions. Houman transforms existing musical ideas, compositions, or arrangements into expressive, performance-ready orchestrations using a rich palette of instruments and voices. From strings, woodwinds, brass, keyboard instruments, percussion, solo vocalists, and choirs to full symphony and epic orchestras, every instrument and section is carefully orchestrated to maximize its unique timbre, color, texture, and expressive potential. Professionally prepared Full Scores, Individual Parts (Part Sets), and Sheet Music are provided in formats including PDF, and a demo audio: MP3 or WAV.
6
Professional MIDI Mockup & Virtual Orchestration
Professional MIDI mockup and virtual orchestration services using high-end orchestral sample libraries, including Vienna Symphonic Library (VSL), combined with advanced MIDI programming techniques. Houman creates realistic virtual performances that capture authentic timbres, articulations, dynamics, and musical expression for individual instruments, chamber ensembles, and full orchestral arrangements. These MIDI mockups are ideal for composer demos, client presentations, film, television, theatre, and game pre-production, as well as projects where recording a live ensemble may not be financially practical. Deliverables may include high-quality WAV audio mockups.