Crossword puzzle clue "dance in a line"

"We can dance ___ want to" ("The Safety Dance" line)

Add vertical line 13 (word 3) and vertical line 3 (word 1) together and enter the answer to the resulting clue on this line

Add vertical line 9 (word 2) and vertical line 7 (word 2) and enter the answer to the resulting clue on this line

Add vertical line 1 (word 1) and vertical line 15 (word 3) and enter the answer to the resulting clue on this line

Add vertical line 15 (word 1) and vertical line 1 (word 3) and enter the answer to the resulting clue on this line

___ Lee Dance Company (troupe on "Dance Moms")

Robot dance caller's instruction to folk dance?

Dance to Donna Summer's "Last Dance," e.g.