Sidney D. Mitchell

Dialogue and songs are all in rhyme (including one identical song), in the manner of later Columbia film "The Women Haters." Jack Osterman is smitten with a woman on a park bench, and cannot stop saying the word "Umpa" for the rest of the film, which involves his treatment by a doctor and his singing and dancing temptress nurses. (imdb)

Mr. and Mrs. Warner Bros. Pictures and their precocious offspring, Little Miss Vitaphone, host a dinner in honor of Warner Bros. Silver Jubilee, attended by most of the major players and song writers under contract to WB at that time. (imdb)