She did this song from Calamity Jane in one take.
https://www.youtube.com/watch?v=H8P_p7dB2dw
From “The Man Who Knew Too Much”
Throughout the filming, Doris Day became increasingly concerned that Sir Alfred Hitchcock paid more attention to camera set-ups, lighting, and technical matters than he did to her performance. Convinced that he was displeased with her work, she finally confronted him. His reply was, My dear Miss Day, if you werent giving me what I wanted, then I would have to direct you!
Yes, Hitch took note of Day in Stuart Heisler’s STORM WARNING with Ronald Reagan/Ginger Rogers. They met at a party while both were trying to blend into the wallpaper.