I've always considered transcribing to be an invaluable tool in the development of one's musical ear and, over the years, I have spent countless glorious hours transcribing different kinds of music, either guitar-oriented or not.
A typewriter is a means of transcribing thought, not expressing it.
I am transcribing a book that I have, in a sense, not yet written, and in another sense, have always written, and in another sense, am currently writing, and in another sense, am always writing, and in another sense, will never write.