Blind composition duels
LLM Arena for composing music
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What is Blind composition duels?
NoteDuel is a blind listening study platform where users compare two AI-composed piano pieces written for the same brief, labelled only A and B, and vote on which is better. After voting, it reveals which piece was which and how the crowd voted, with rankings built per brief. It's aimed at anyone curious about evaluating AI music composition fairly.
Blind composition duels pricing
Pricing model: Freemium
Free to use, no sign-up required
Blind composition duels pros
- Blind, shuffled A/B presentation with hidden titles and sources prevents bias
- All pieces rendered through the same engraver, sampled piano, and loudness matching so production quality can't influence votes
- Statistically rigorous rankings using a Bradley–Terry model with 95% bootstrap intervals and rank ranges
- Full-listen verification (90%+ of both pieces) for headline standings, with per-brief results published separately
Blind composition duels cons
- Limited to five fixed piano composition briefs
- Solo piano only; no other instruments or genres
- Rankings remain provisional until at least 30 judgments per pairing, and current vote counts are low
Frequently asked questions about Blind composition duels
Do I need to create an account to participate?
No, duels take about a minute each and require no sign-up, though headphones are recommended.
How does a duel work?
You listen blind to two pieces written for the same brief, vote A, B, tie, or neither, then see which was which and how others voted.
How are rankings calculated?
Rankings use a Bradley–Terry model with 95% bootstrap intervals and rank ranges, staying provisional under 30 judgments.