Coplands three Planes of Listening, Why is it important for musicians to know and use the different planes of listening?

It helps a musician understand not only their own music but others’ as well. It helps give you a deeper and emotional understanding to the art of music. It also helps with how we process what we’re listening too. This will help a musician create a genuine and inspiring piece of art

You look through the lens

What i think is that it adds loudness for preachers/church choirs. it is also able to hold up a lot of weight without pillars. : )) idek tho