The piece
An operable index of every alternate tuning Sonic Youth and its members are recorded
as having used, with the pitches synthesised in the browser so you can hear them.
Source and confidence
Transcribed from the sonicyouth.com/mustang tab archive via the Internet Archive.
Where the archive's written tuning and its written instructions disagree, the entry is
marked disputed, both readings are shown, and nothing is silently corrected.
Build
One file. No frameworks, no build step, no network calls. Fonts and data are embedded.
Saved to a drive it will still work in ten years.