Glen Campbell hit, the last word of which is this puzzle's theme

Question:

Answer:

WICHITALINEMAN

Length:

Similar Crossword Questions:

Number of times this puzzle's theme word appears diagonally in the grid (to complete the puzzle, shade those words plus the Down answers that begin where they meet)
Word hidden in this puzzle's theme entries
Oxford American Dictionary's 2012 word of the year, and the key to this puzzle's theme
It can follow the last word of this puzzle's theme entries
Like this answer, or a two-word description of this puzzle's theme
Just making things up, or a synonym for a three-word phrase describing this puzzle's theme entries
This puzzle's theme word
Angle (and a three-word hint to this puzzle's theme)
This puzzle's obvious theme word
Theme word inside this puzzle's theme words
This puzzle's key theme word
Pithy sayings (four well-known ones containing the circled word are the keys to unlocking this puzzle's theme)
Oklahoma Indian (and a three-word description of this puzzle's theme)
Word that has two diametrically opposed meanings (like this puzzle's eight theme entries)
This puzzle's fairly obvious theme word
Word before the first word in this puzzle's theme answers
Hilarious ... or a hint to this puzzle's theme
Actress who's the inspiration for this puzzle's theme?
Word needed to be added to 12 appropriately placed answers in this puzzle for their clues to make sense
Texas Hold 'em, e.g., and a hint to this puzzle's theme
Matchmaker, and a hint to this puzzle's theme
Alternative words used as alternatives for each other in this puzzle's theme answers
"Have a nice day" response, and a literal hint to this puzzle's theme
Fill-in workers or this puzzle's theme
Historic battleship, or this puzzle's theme