web app for training note recognition in open position on the requinto

https://requinto.whereis.social/

the requinto, also known as the guitarra de son, is a four string instrument used in son jarocho musics

• visual fretboard with interactive note practice
• audio playback with nylon string sound
• mobile-friendly responsive design
• vanilla js and css
• property-based tests check all note/state combinations
• double tap fretboard to display and play through all notes

• look up an explanation or paper on spaced repetition

specifically, i want to show a note less often if the learner gets it right consistently, and more often if they tend to struggle to remember it

• detect language and set app instructions accordingly?

• Create flatpak/icon/social.whereis.requinto.svg

• add more requinto tangeos

• add more requinto melodies

• decide on a ui for selecting various tangeos, melodies, etc.

agpl-3.0-or-later