Free · Short strings sound higher

String Length and Pitch Lab for Kids

Compare six string lengths and hear how shortening raises pitch.

  • Clear, kid-friendly steps
  • Private in your browser
  • No signup

Make music

String length and pitch lab

Shorten the string to raise its pitch, then pluck the six examples.

Private and localNo account, upload, microphone, or remote sound files.

Your sound

Full-length string

A 100% string plays the starting pitch.

Shape your music

Changes stay quiet until you press Play.

Keep your work

Download music, data, or a picture

MIDI opens in music apps. The project file opens here again.

Built from reviewed open source. Adapted from Chrome Music Lab experiment ideas at commit e54bb414908d. Apache-2.0 license. Bookify uses new local audio and does not use Google branding.

Source

Powered by Chrome Music Lab (adapted local music experiments), an open-source library available under Apache-2.0.

Three simple steps

How to use it

  1. Pick a ready example, then change one note, chord, or sound control.
  2. Press Play to hear it. Sound starts only when you ask.
  3. Save MIDI, a picture, note data, or a project you can open again.

Private by default

Your words and choices stay in this browser tab. There are no accounts, uploads, ads, or trackers inside the tool. Close the tab and the working data is gone.