Crossword puzzle clue "one who knows every word on every album"

One who knows every word on every album

"Who knows what ___ lurks in the hearts of men? The Shadow knows!"

Who wrote "He who knows others is wise; he who knows himself is enlightened"

He knows he knows

"___ is more" (minimalist truth every artist knows to be true including Le Corbusier who inspired my life)

Barrie's "___ Every Woman Knows"

Singer-songwriter who announced after his album "Michigan" that he would do one for every state...still...still...workin' on that one. Two down, 48 to go!

"I respect a man who knows how to spell a word more than one way"