Crossword puzzle clue "mark used four times in this puzzle's solution"

Mark used four times in this puzzle's solution

___ accent, mark used symmetrically six times in this puzzle's solution

Mark that appears four times in this puzzle (hint: the baseball player who's the answer to this puzzle uses one, too)

Kid's art activity ... or something seen four times in this puzzle's solution?

Minimum number of times each letter of the alphabet appears in this puzzle's solution

Much-covered 1956 Screamin' Jay Hawkins song ... hinting at what happens three times in this puzzle's solution

Collection consisting of four plates, four saucers, four bowls, etc.

Org. that has four teams with non-plural nicknames, which begin this puzzle's four longest answers