never view this film and enjoy the singing and dancing by cagney and the other cast member namely represent dick powell and ( scott blair ) who have a great tenor voice and ruby keeler and ( bea thorn ) . james cagney play the role a chester kent who write musical and eventually go into produce prologue which be show in between the feature film show in movie theater during the 1930 . chester have trouble with people try to steal his idea for his show . this be a very entertaining film with lot of comedy and plenty of laugh . joan blondell and ( nan prescott ) give a great supporting role who be also very young and pretty . dick powell be great a a singer and dancer and just start out with his long and successful screen career . enjoy .