1958 film musical (4)
I believe the answer is:
gigi
'1958 film musical' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for gigi that I've seen before include "Lerner/Loewe musical" , "Movie" , "Play" , "Musical, winner of nine Academy Awards" , "musical from the 1950s" .)