What links Cate Blanchett’s new film Tár to Sissy Spacek and hot sauce?

What in tarnation?

Cate Blanchett plays a composer and conductor in Tár … Photograph: Focus Features/AP

First up, Lydia Tár is not real, and the film Tár, coming to cinemas on Friday, is a work of fiction, despite some amazingly absurd internet commentary suggesting otherwise. In the film, Cate Blanchett plays an internationally renowned conductor and composer whose life goes a bit atonal.