Perception.
Watch this YouTube-video explaining the affordance-concept.
https://www.youtube.com/watch?v=NK1Zb_5VxuM
The concept emphasizes how action is vital in how we experience the world around us. Discuss how this concept can be used in regard to music.
In this YouTube-clip the Affordance-concept is used for development of good design for video games-equipment.
https://www.youtube.com/watch?v=QCSXEKHL6fc
NIME (New Interface for Musical Expression) is a collaboration for inventing new designs for musical instruments. You can see some examples here:
https://www.youtube.com/watch?v=JnLylwvWIpE
Imagine that you should invent a new musical instrument. Discuss how would you use the affordance-concept in finding a good design?