1. Role Overview Mercor is collaborating with a
leading AI lab on a large-scale AI training initiative focused on
improving musical analysis, theory application, and culturally
grounded interpretation in advanced language models. We’re seeking
experienced Music experts to contribute by creating and evaluating
music-related prompts and responses. This is a multilingual
opportunity. We are specifically seeking experts who are fluent and
deeply engaged in one or more of the following languages: Japanese,
Chinese, Korean, Spanish, Russian, German, Arabic, Thai, Tamil, or
Hindi. Importantly, we are not looking for translation ability
alone. Candidates must have sustained, hands-on engagement with
music within their linguistic and cultural context — including
familiarity with regional genres, music theory terminology,
performance traditions, contemporary scenes, and culturally
specific musical forms. This role is adecuado for serious musicians,
composers, producers, music critics, educators, or dedicated
hobbyists who actively participate in music communities in their
language ecosystem. 2. Key Responsibilities Author realistic music
prompts spanning music theory, composition, genre analysis, lyrical
interpretation, performance technique, and music history Review and
revise AI-generated responses for theoretical accuracy, stylistic
nuance, cultural authenticity, and clarity Write high-quality
human-authored “gold” responses for complex musical analysis or
interpretive questions Create controlled prompt variations that
test subtle differences in genre, instrumentation, harmonic
structure, rhythm, cultural context, or historical period Evaluate




outputs across different tones (technical, analytical,
instructional, conversational) and instruction constraints Identify
model failure cases involving incorrect theory application, genre
misclassification, superficial analysis, or culturally inaccurate
representations 3. Ideal Qualifications 2+ years of sustained,
serious engagement with music as a hobby or practice (e.g.,
performing, composing, producing, teaching, reviewing, or active
participation in music communities) Active participation in music
discourse within at least one of the following languages: Japanese,
Chinese, Korean, Spanish, Russian, German, Arabic, Thai, Tamil, or
Hindi Strong familiarity with music theory terminology, genre
traditions, and culturally specific musical forms within your
language context Ability to articulate musical concepts and
analysis clearly in the target language Strong written
communication skills and thoughtful editorial judgment 4. More
About the Opportunity Expected commitment: 10–40 hours per week 5.
Application Process Submit your resume, portfolio, recordings, or
relevant musical work to get started Complete a short form
outlining your musical background, areas of focus, and language
proficiency We aim to follow up within a few days with next steps
6. About Mercor Mercor is a talent marketplace that connects top
experts with leading AI labs and research organizations. Our
investors include Benchmark, General Catalyst, Adam D’Angelo, and
Jack Dorsey. Thousands of professionals across law, research,
engineering, design, and creative fields contribute to Mercor
projects shaping the next generation of AI.

📌 Multilingual Music Expert (Madrid)
🏢 Mercor
📍 Madrid