Credits
Everything here is ours or licensed for this use. The light, the threads and every motion are drawn in code; no image or video generator was used.
Music
| Chopin, Ballade No. 1, Op. 23 | Edition from Mutopia material by Javier Ruiz-Alma (CC BY-SA 4.0) over a CC0 transcription by Y.Murakami@TYO, via PDMX. Our engravings of it are shared under CC BY-SA 4.0. |
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| Bach, Partita No. 2, BWV 826 | Transcription by verits99, CC0, via PDMX. |
| Beethoven, Sonata No. 30, Op. 109 | Transcription by Y.Murakami@TYO, CC0, via PDMX. |
| Debussy, La cathédrale engloutie | Transcription by venson72150, CC0, via PDMX. |
PDMX: Long, Novack, Berg-Kirkpatrick and McAuley (2025), dataset under CC BY 4.0. Engraved with Verovio (LGPL-3.0) and the Leland music font (SIL OFL 1.1).
Sound
The piano take is rendered by us from the edition above with the Salamander Grand Piano by Alexander Holm (CC BY 3.0). The coach’s voice is Inworld’s text-to-speech voice Ashley, generated on our account.
Pictures and type
The app pictures are our own screens shown in Apple’s iPad Pro and iPhone 18 Pro product bezels from Apple Design Resources, used under Apple’s license for showing an app made for Apple’s platforms, as Apple’s marketing guidelines ask. iPad, iPad Pro, iPhone and App Store are trademarks of Apple Inc. Newsreader (Production Type) and Inter (Rasmus Andersson) are under the SIL Open Font License 1.1.