This is an application to help middle-school aged children learn how to determine the key signature of any given musical scale. It includes a "learn" section that guides them in the process by answering simple questions, and a "play" section in which they can practice what they learned.
This application was created using the create-react-app method. It is written with functional React using hooks, as well as react-router.
tzvik15.github.io/Key-Signaturer