Most of Dylan's first album was not self composed, as were many of the songs on Self Portrait. And in the film Don't Look Back - he performs Hank William's song Lost Highway word perfectly in his hotel room.

The reason that as a songwriter and performer, he can move seamlessly from one genre to another; is that he has immersed himself assiduously in the traditions that were important to him.

the process is bigger than you are allowing.