The filename refers to a play or documentary chronicling the final days of the legendary Brazilian actress Cacilda Becker , who collapsed during a performance of Waiting for Godot and died shortly after.
Most academic research focuses on the play series directed by Zé Celso. You can find scholarly articles on Google Scholar regarding its "anthropophagic" style and its impact on Brazilian theatre history.
To find a "proper paper" (academic or formal) on this subject, you should search for these specific titles and themes:
If the video is the documentary Cacilda Becker: O Teatro e a Vida , search for film studies papers on its director and its use of archival footage.