The transition to sound supplies practical problems for the characters. Performance in front of a camera and the public image of a star become separate things to manage.

Kelly, O’Connor and Reynolds form the central trio. Their performing skills serve a comedy about the demands of recording voices alongside images.

Don Lockwood’s screen partnership with Lina Lamont becomes a problem when audiences can hear their voices. Kathy’s talent offers a practical solution, but it also raises a question about who receives the credit. The comedy is easier to follow if you distinguish the performer, the voice used on the soundtrack and the public story manufactured around the star. Those things can belong to different people even when the finished image makes them appear unified.

Betty Comden and Adolph Green built the screenplay around songs associated with producer Arthur Freed and composer Nacio Herb Brown. The numbers are not all new compositions written to illustrate this particular plot. Watch how a familiar song is given a new situation: the staging can turn an existing tune into an expression of a character’s mood or a joke about the industry.

Kelly’s choreography and Donen’s filmmaking make dance a screen event rather than merely a recorded stage performance. Oxford’s study of their collaboration emphasizes movement, props and montage. Pick one number and follow both the performer’s route and the camera’s changing position; then notice where editing preserves a movement or changes its scale. This makes the labour behind the effortless appearance easier to appreciate without needing technical dance vocabulary.