Pitch FoxOriginal lessons. Credited sounds.
Credits and licenses
Effective October 8, 2026
Pitch Fox uses original lesson scripts, diagrams and generated exercises, with credited instrument samples and locally generated narration.
Instrument samples
Piano: Salamander Grand Piano by Alexander Holm. Guitar: tonejs-instruments by Nicholaus P. Brosowsky, using University of Iowa MIS recordings. Violin: tonejs-instruments using VSCO 2 Community Edition material. Edited sample distribution: Creative Commons Attribution 3.0. Modifications include pitch changes, envelopes, gain, mixing, mono conversion and AAC encoding.
Full author, source, license and modification notices: download credits. See CC BY 3.0.
Narration and visuals
Heart (af_heart) narration uses Kokoro v1.0, licensed under Apache-2.0; local inference uses kokoro-onnx, MIT. Production models and font files are not distributed with hosted videos. Diagrams and Pitch Fox branding are original project assets.