Music & Sound Annotation Expert

Remotebridge; United States; Remote; USD 34,000 - 55,000; Part time

Job summary

Frontier AI Lab is seeking a Music & Sound Annotation Expert for remote, contractor work. You will listen to field recordings, document instruments, tempo, key, and background sounds, and report precise timestamps using a structured web platform.

You will also compare paired recordings and later review AI model outputs for accuracy. The role requires 3+ years of music or audio experience, strong listening skills, accurate note-taking, and reliable internet.

Qualifications

• 3+ years of hands-on music or audio experience.
• Strong analytical listening: identify individual instruments in busy mixes.
• Clear written English for brief, evidence-based notes.

Responsibilities

• Listen to 30–90 second field recordings and annotate instruments, tempo, key, and background sounds.
• Annotate timestamps and scene details using a structured web platform.
• Attend onboarding calibration and weekly syncs; review AI model descriptions in later phases.

Skills

Analytical listening

Attention to detail

Written English

Job description

# Music & Sound Annotation ExpertFrontier AI Lab · Remote · Full-time## Ready to see if you fit?Upload a resume once, then run an honest fit check on this role in seconds. Access is free and always will be.Sign up to check your fit## About the roleRole Title: Music & Sound Annotation ExpertRole Type: ContractorLocation: RemoteOur team is engaging Music & Sound Annotation Experts to contribute to a customer's project at the forefront of music and audio technology.Your ears are the ground truth. You'll listen to short field recordings and document exactly what's audible — instruments, tempo, key, background sounds, crowd reactions — through a structured web platform built for this project. Later phases involve grading AI model answers against what you actually heard.### What you'll do• Listen to 30–90 second field recordings (headphones, your own quiet workspace) and complete structured annotations: which instruments are present, tempo and key, timestamps of background events (traffic, sirens, applause), scene details• Compare paired recordings of the same song captured at different locations and judge what stayed the same and what changed• In later phases: review AI model descriptions of clips and mark what's correct, wrong, or invented, with a brief written explanation• Attend a paid onboarding/calibration session and a short weekly syncWho we're looking for (any of these backgrounds)• Working or gigging musicians, session players, producers, or mixing engineers• Music educators, ear-training instructors, band/choir directors, conservatory students or graduates• Location sound recordists, sound designers, foley artists, or podcast/documentary audio editors### Requirements• 3+ years of hands-on music or audio experience• Strong analytical listening: you can pick individual instruments out of a busy, noisy, real-world mix — not just studio recordings• Can identify tempo (within a few BPM) and musical key (relative pitch with a reference is fine)• Comfortable with detail-oriented, repetitive annotation work in a web platform — dropdowns, timestamps, short structured notes• Clear written English for brief, evidence-based notes (e.g., \"accordion enters around 0:12\")• Quality headphones, quiet workspace, reliable internet• Available 20–25 hrs/week for the engagement window