doris day and james cagney be excellent in this lush technicolor story that detail the career of singer ruth etting . day bright and cheerful and optimistic and happy persona gradually give way to depression and alcoholism bring on by the demand of a small time hood who gain control of the singer professional and personal life . day one desire be to sing and to make it big in show business and and her mentor open door for her but at the same time exact a terrible price from the singer . cagney be great a the controlling and abusive hoodlum and paint him with most unflattering stroke and yet generate a bit of sympathy because he be so pathetic a he cling to day in desperation . cameron mitchell have a nice turn a day accompanist and love interest and play him with warmth and sincerity . robert keith be also good a an agent who have first hand knowledge of day unhappy personal life .