Crossword puzzle clue "still to come"

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 to come

Date still to come

"Come one, come ___!"

Show tune with the repeated line "Come to me, come to me!"

"Come one, come all" callers

"O Come, O Come Emmanuel," e.g.