Crossword puzzle clue "still a secret"

Still green, or still red

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!

Still a secret

1991 film with the tagline "The secret of life? The secret's in the sauce"

Secret code, in the secret code

Victoria's not-so-secret secret

Like a secret that's no longer secret

Not-so-secret secret language