Crossword puzzle clue "record or read differently a hint to this puzzle's theme"

Record, or, read differently, a hint to this puzzle's theme

Contract extras, and read differently, a hint to this puzzle's theme

Featured boxing match . . . or, when read differently, a hint to this puzzle's theme

Essence ... and, read differently, a hint to six puzzle answers

Classic letter puzzle -- or, when parsed differently, a hint to three Down answers in this puzzle

'50s TV dog, or when read differently, a hint to letters near the center of each starred answer

Hint (and a hint to this puzzle's theme)

Subject of the Final Jeopardy! question that knocked out Ken Jennings after a record 74 wins ... or a hint to this puzzle's theme