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Certified Significant Form has been retired. The Institute’s active certification is now the Certificate of Embodied Production. The records here remain a permanent, verifiable archive, and those certifications stand. Read the notice →

Certified Significant Form Registry

Public archive of sound recordings certified as free of AI-generated audio under the retired Certified Significant Form standard. Every record remains verifiable.
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Certified Significant Form

Verified as produced without generative AI

Rubber Band Man (Apple Music Sessions)
# CSF-2026-21589

Rubber Band Man (Apple Music Sessions)

Mumford & Sons
Genre
Alternative
Certified
2026-07-12
Label
Glassnote Entertainment Group LLC
▶ Spotify♫ Deezer♫ YouTube Music
ISRC
QM4TX2648684
Release
Prizefighter (Extended Edition)
Standards Version
CSF-v2.1
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