The personal vocabulary, the individual melody whose metre is one's biography, joins in that sound, with any luck, and the body moves like a walking, a waking island. ↗
From the time I could play the piano, I remember trying to write tunes. They were in my head, and I would just sit down and start noodling. Next thing I knew, I had written a melody. ↗
For me it's always contingent on getting a sound-the sound always suggests what kind of melody it should be. So it's always sound first and then the line afterwards. ↗