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David UserDU
Open to opportunities

David User

@davidmarz

Music producer and DJ with 10+ years shaping tracks, sound design, and sonic branding.

Costa Rica
Message

What I'm looking for

I want to create original music and sonic branding with creative independence—partnering with brands, media, or labels to deliver high-quality sound design, strong A&R evaluation, and consistent timelines.

I’m a music producer and DJ with 10+ years of experience in music analysis, audio production, and live performance. My strength is turning deep listening into structured, energetic releases—grounded in music theory, rhythm, harmony, melody, and genre/subgenre classification.

I’ve built a catalog of 200+ original tracks and have worked as a ghost producer for major electronic music artists. I also perform at large-scale events, including Ultra Music Festival Mexico, EDC Mexico, The BPM Festival, and Destino Pacha Ibiza—bringing energy to audiences of 50,000+.

As Founder, Music Producer & Sonic Branding Specialist at Symphony (2024–Present), I create original music, audio logos, and sonic branding assets for brands and media projects. I lead creative work independently, delivering custom sound design and music for advertising, digital experiences, and audiovisual content with strict attention to quality and deadlines.

Before that, I managed Urbaned Radio as Radio Station Manager & A&R (2020–2023), curating programming and evaluating hundreds of tracks and demos for airplay and release opportunities. I identified emerging talent, applied critical listening to assess musical quality and audience appeal, and strengthened my talent evaluation approach through continuous pattern recognition and metadata/catalog organization.

Experience

Work history, roles, and key accomplishments

Education

Degrees, certifications, and relevant coursework

Universidad Latina de Costa Rica logoUR

Universidad Latina de Costa Rica

Bachelor's Degree in Marketing, Marketing

Bachelor's degree in Marketing at Universidad Latina de Costa Rica (in progress).

EA

EMPO Academy

Professional DJ Program, DJing

Professional DJ program focused on developing DJ skills and performance readiness.

MB

Mariana BO

Masterclass, Music Production

Advanced training through the Mariana BO masterclass.

Point Blank Music School logoPS

Point Blank Music School

Advanced Music Production, Music Production

Advanced music production training at Point Blank Music School.

Point Blank Music School logoPS

Point Blank Music School

Advanced DJ Mixing, DJing

Advanced DJ mixing training at Point Blank Music School.

Point Blank Music School logoPS

Point Blank Music School

Advanced Music Theory, Music Theory

Advanced music theory training at Point Blank Music School.

BC

BPM College

Music Marketing, Music Marketing

Training in music marketing through BPM College.

BS

BLQ Studio

Production and Sound Design, Sound Design

Production and sound design training at BLQ Studio.

Tech stack

Software and tools used professionally

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