In all chapters Harmony, the lesson plan makes extensive use of text, images, audio and video clips. There are many note examples, for example, Harmony Chapter 1.7 Major and minor seconds about major seconds:
Click on the icon for more image explanation.
Now, in addition to all the note examples, I have also made examples that show how these notes are played on the piano. View an example:
Click on the icon for more piano keyboard explanation.
To create these images, I used Synthesia. In total I made 1298 pictures.