Crossword puzzle clue "body part whose parts are aptly found at the bottom of this puzzle's four longest answers"

Body part whose parts are aptly found at the bottom of this puzzle's four longest answers

R. Kelly hit whose last title word is aptly rhymed with "sky" in the lyrics ... and a hint to the starts of the other four longest puzzle answers

Device with a controller design suggested by the (aptly placed) four other longest answers in this puzzle

Exhibit found in this puzzle's four longest answers

Source of the freedoms found at the ends of this puzzle's four other longest answers

Aromatic additive found within this puzzle's four longest answers

Man who can be found running up the four longest puzzle answers

Pentecost, e.g., and what can literally be found in this puzzle's four other longest answers