Best Greek musical movies

My Aunt the Hippie (1970)

Mama Leni, a poor widow, works as a cleaner in a large hotel, while studying in America the only daughter Catherine. The daughter of ignoring their financial situation and believes that her mother is a hotel guest. Suddenly Mama Leni gets a letter from her daughter, she says coming to Athens for vacation with his fiancé Johnny and his father in law of Pete.