Credits

Singsteady is built on other people's generous work.

Piano sound

Salamander Grand Piano by Alexander Holm (Yamaha C5), licensed under Creative Commons Attribution 3.0. We use a subset of the samples as hosted by Tone.js, trimmed, converted to mono AAC and re-tuned to equal temperament with our own pitch analysis.

Earlier versions used piano recordings from the University of Iowa Electronic Music Studios, free to use without restriction.

Typeface

Bricolage Grotesque by Mathieu Triay, licensed under the SIL Open Font License 1.1.

Example recording

The hummed phrase on the home page is a public-domain (CC0) recording from Wikimedia Commons.

Melodies

The songs are traditional melodies in the public domain, transcribed from public-domain scores.