Credits & Attributions
Last updated: May 2026
piano.org uses several third-party resources under permissive licenses. This page lists them and the attribution required by their respective licenses.
Audio samples
Piano sample playback (heard in the score player and any other interactive audio feature on the site) uses the Salamander Grand Piano V3 sample library by Alexander Holm, available at github.com/sfzinstruments/SalamanderGrandPiano.
Licensed under Creative Commons Attribution 3.0 (CC BY 3.0). No changes were made to the original samples. The license requires attribution but does not imply endorsement by the author.
Fonts
The MuseJazz Text font (used for jazz-style lettering on the site) is by Abraham Lee (Music Type Foundry).
Licensed under the SIL Open Font License 1.1. The full license text is included at /fonts/MuseJazzText-OFL.txt.
Open-source software
piano.org is built with Next.js, React, TypeScript, Supabase, VexFlow, Tone.js, OpenSheetMusicDisplay, Recharts, and a number of other open-source libraries. Each of those libraries carries its own license; the canonical list is maintained in our package.json dependency tree, and each package retains its license file when installed.
Questions or corrections
If you believe a piece of content on piano.org is missing required attribution, please reach out via the Contact page and we will correct it.