Music & Sound Annotation Expert

About OpenTrain

OpenTrain AI is the hiring and contracting organization for this role. OpenTrain helps people start and grow careers in AI training and data labeling, where human expertise shapes how modern artificial intelligence understands and generates content.

Create a free OpenTrain account to build your profile and apply in minutes.

• Remote contractor engagement
• Part-time schedule of 20-25 hours per week
• Expected project duration of 1 to 3 months
• Hourly pay of $30-$45 USD

About Audio AI Training

AI training is the human side of building artificial intelligence. In audio projects, experienced contributors help prepare and evaluate recordings, descriptions, musical attributes, and contextual events so AI systems can learn from accurate, carefully reviewed examples.

This work is part of a fast-growing field that offers remote, flexible opportunities for people with specialized knowledge. Your music and professional audio experience can directly influence how AI interprets real-world sound.

• Work with recordings and AI-generated descriptions
• Apply expert listening and analytical skills
• Help identify errors and invented content in model outputs

The Music & Sound Annotation Expert Role

As a Music & Sound Annotation Expert, you will annotate 30-90 second field recordings and review AI-generated descriptions for accuracy. The work requires at least three years of hands-on music or audio experience, strong analytical listening skills, and comfort with detailed, repetitive annotation in a web platform.

You will work independently during the engagement window while participating in paid onboarding, calibration, and a short weekly sync.

• Expert-level music and professional audio production experience
• Remote contractor and part-time engagement
• 20-25 hours per week, with at least 20 hours expected
• Project expected to run for 1 to 3 months

What You'll Do

You will create detailed annotations and evidence-based evaluations using a web platform. Accuracy, consistency, and clear explanations are important throughout the project.

• Identify individual instruments in busy real-world mixes
• Estimate tempo within a few beats per minute
• Identify musical key; relative pitch with a reference is acceptable
• Add timestamps for background events
• Describe scene details in field recordings
• Compare paired recordings of the same song across locations
• Review AI-generated descriptions for accuracy, errors, or invented content
• Provide brief, evidence-based explanations for your evaluations

Requirements

Applicants must be fluent in English and comfortable discussing their relevant experience for the Music & Sound Annotation Expert role. You should be prepared for focused, repetitive annotation work and able to maintain quality while working independently.

• At least three years of hands-on music or audio experience
• Relevant music and professional audio production experience
• Strong analytical listening skills
• Clear written English and fluent English proficiency
• Quality headphones
• A quiet workspace
• Reliable internet connection
• Comfort working in English
• Ability to attend paid onboarding, calibration, and a short weekly sync

Who Should Apply

This opportunity is designed for experienced musicians, audio professionals, and sound specialists who can distinguish musical details in complex recordings and explain their judgments clearly. It is a strong fit for contributors who value precise, structured work and want to help improve AI's understanding of sound.

• Candidates must be based in Canada, the United States, the United Kingdom, New Zealand, Germany, Italy, Ireland, or Australia
• Candidates should be comfortable committing at least 20 hours per week
• Applicants should be ready to discuss relevant music and audio experience

Pay and Engagement Details

This is a remote contractor engagement with part-time availability during an expected 1-to-3-month project window. The listed pay range is $30-$45 USD per hour, with an hourly rate of $40 USD provided in the project details.

• Payment type: Pay per hour
• Pay range: $30-$45 USD per hour
• Listed hourly rate: $40 USD
• Expected commitment: 20+ hours per week
• Paid onboarding and calibration included
• Paid weekly sync included

How to Apply Through OpenTrain

OpenTrain makes it simple to pursue specialized AI training work. Create a free account, complete your profile with your music and audio background, and apply to this opportunity in minutes.

• Highlight at least three years of relevant hands-on experience
• Describe your music and professional audio production background
• Confirm your location, English fluency, availability, and equipment
• Be prepared to attend onboarding and calibration if selected