In this lesson, you have:
Learned how and why to create Sound objects (pages 526 529)
Controlled an object's movement within a visual border (pages 530 535)
Used percentages in expressions to create powerful interactivity (pages 535 548)
Controlled the volume of a Sound object based on the vertical position of the mouse (pages 535 542)
Controlled the panning of a Sound object based on the horizontal position on the mouse (pages 542 548)
Added random sounds to your project (without first adding them to the timeline) (pages 548 552)
Controlled the playback, looping, and stopping of sounds dynamically (pages 551 555)