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Audio Instrument Identification Expert

Use your trained ear to classify musical instruments in short audio clips for a focused, fully remote AI training project. Work flexible hours for two days at a fixed rate of $160, with possible extension.

OpenTrain AI

Audio & Speech

100% Remote Fixed price · $160

$160 fixed price

Compensation

Worldwide

Eligibility

Entry

Experience

Sep 14, 2026

Posted

Open worldwide

About OpenTrain

OpenTrain is the #1 platform for finding and building careers in AI training and data labeling. OpenTrain AI hires and contracts contributors for projects that help improve modern artificial intelligence, making it easier to build experience in a fast-growing technology field.

Creating an OpenTrain account is free, and candidates can apply to projects in minutes while building a profile around their AI training experience.

About AI Audio Training

AI systems learn from carefully prepared examples, including labeled audio. Human experts help models understand what sounds they are hearing, creating more accurate systems for music, speech, and other audio applications.

This project is an opportunity to contribute specialist music knowledge to cutting-edge AI development through focused, remote data-classification work.

The Role

OpenTrain AI is seeking an Audio Instrument Identification Expert to evaluate short audio clips and identify the musical instruments they contain. You will classify each clip by instrument family and then select the specific instrument you hear, using provided audio references and clear annotation guidelines.

This is a fully remote, two-day contractor project with flexible hours and a fixed payment of $160 USD. The project requires 20 or more hours per week and may be extended based on performance.

  • Project length: 2 days
  • Work arrangement: Fully remote and worldwide
  • Schedule: Flexible hours, 20+ hours per week
  • Engagement: Part-time contractor
  • Payment: $160 USD fixed price
  • Language: English

What You'll Do

You will listen carefully to short clips, apply the project’s classification rules, and make consistent judgments about the instruments present. Accuracy and dependable attention to detail are important because your labels will be used as training data for AI systems.

  • Listen to short audio clips.
  • Identify the instrument family, such as strings, brass, woodwind, percussion, or keyboard.
  • Identify the specific instrument heard in each clip.
  • Use provided audio references to guide your decisions.
  • Follow annotation guidelines for consistent, accurate classification.
  • Complete focused and repetitive listening tasks independently.

Requirements

This role is listed at the entry level for AI training, but it requires established music or audio expertise. Your ability to recognize instruments by sound should come from formal education and relevant practical experience.

  • Bachelor’s degree in Music or a related field.
  • At least 3 years of experience in music performance, music production, or audio engineering.
  • A trained ear and strong ability to identify musical instruments by sound.
  • Strong English communication skills.
  • Comfort with focused, repetitive listening tasks.
  • Ability to work independently in a remote setting.

Helpful Background

Additional experience with audio or AI-related workflows can help you approach the work effectively, although the core focus is accurate musical instrument identification.

  • Transcription experience.
  • Remixing experience.
  • Music information retrieval experience.
  • Previous AI training or data annotation experience.

How to Apply Through OpenTrain

Apply through OpenTrain AI to be considered for this remote audio classification project. If selected, you will use the supplied references and annotation guidelines to complete the work during the project period.

AI training and data labeling offer flexible ways to work with emerging technology from anywhere. This project is especially suited to music professionals who want to apply their listening expertise to the development of AI.

  • Create a free OpenTrain account.
  • Build your profile with your music and audio experience.
  • Review the project details and submit your application.
  • Complete the two-day assignment according to the project guidelines.

Ready to apply?

Create a free OpenTrain account and apply for this role in minutes.

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