Music and Audio Annotation Expert

The work

You will support AI training by reviewing 30- to 90-second field recordings in a quiet workspace with quality headphones. Your work combines careful musical listening with structured audio evaluation.

• Identify instruments, tempo, musical key, background sounds, crowd reactions, and other scene details.
• Record structured information using dropdowns, timestamps, and written notes.
• Compare recordings of the same song made in different locations and identify what stayed the same or changed.
• Review AI-generated descriptions of audio clips and mark details as correct, incorrect, or invented.
• Write concise explanations that support your audio judgments.
• Attend a paid onboarding and calibration session, plus a short weekly sync.

What it pays and takes

This is a part-time contractor role for candidates with practical music or audio experience. The role is listed as entry level, but it requires specialized listening skills and at least three years of hands-on experience.

• Pay: $30 to $45 per hour.
• Time: 20 or more hours per week.
• Location: Open to candidates in Algeria, Argentina, Austria, Bahrain, Bangladesh, Belgium, Brazil, Canada, Chile, Colombia, Denmark, Egypt, France, Germany, Ghana, Greece, India, Indonesia, Italy, Japan, Jordan, Kazakhstan, Kenya, Kuwait, Kyrgyzstan, Lebanon, Malaysia, Mexico, Morocco, the Netherlands, Nigeria, Oman, Pakistan, Palestinian Territories, Peru, the Philippines, Portugal, Qatar, Saudi Arabia, Singapore, South Africa, Spain, Sri Lanka, Switzerland, Taiwan, Thailand, Tunisia, the United Arab Emirates, the United Kingdom, the United States, Uzbekistan, and Vietnam.
• Language: Clear written English.
• Experience: At least three years of hands-on music or audio experience.
• Listening skills: Ability to identify individual instruments in busy, real-world recordings, estimate tempo within a few beats per minute, and determine musical key with a reference for relative pitch.
• Work setup: Quality headphones, a quiet workspace, and reliable internet.
• Work style: Comfort with repetitive, detail-focused annotation and structured evaluation.

Helpful experience

Relevant backgrounds include performing, producing, recording, teaching, editing, or designing sound. Experience in any of the following may be useful.

• Musician or session player
• Producer or mixing engineer
• Music educator or ear-training instructor
• Band or choir director
• Conservatory student or graduate
• Location sound recordist or sound designer
• Foley artist
• Podcast or documentary audio editor

How it works

Apply on OpenTrain with your resume, then complete the application on the hiring site.

About AI training work

AI training is the human work behind modern AI systems. Contributors review and label examples, evaluate model responses, and provide clear judgments that help AI systems learn from better data.