It’s really important to understand and cultivate your process, as the way you approach writing or learning music thrives off an organized path. This is a great breakdown of the creative process so you can assess your own. There are many things which drive creativity but some form of organization of flow helps dramatically with the efficiency of your creative process.
The Key of One helps give you context so you can have a basis for developing process with understanding and depth of knowledge. Writing music shouldn’t be like throwing darts in the dark. There is a simple and easy way to understand the way chords work and with this knowledge, songwriting (and interpreting) is a much easier and richer endeavor.