The hit song "Stay with me" 1979 , and a tragic awareness.

https://en.wikipedia.org/wiki/Miki_Matsubara



Why did Miki Matsubara regret her career?

The Tragic End and Lasting Appeal of Miki Matsubara — Van Paugam
It was commented by someone familiar with the circumstances revolving around her last months that she had regretted her music career due to not having enough time to focus on living her life more fully, unknowingly heading toward an inevitable end that would come too soon.