[2] The film also explores of the process of Cave writing The Red Hand Files, a website he uses to respond to questions from fans.

He initially planned to decline Cave's request, but felt compelled to accept upon relistening to Ghosteen.

The site's critics consensus reads: "A must-watch for Nick Cave fans, This Much I Know to Be True simply and soberly highlights the redemptive power of music.

[14] Wendy Ide of Screen International called it "simply executed but undeniably powerful in its lean, stripped back elegance.

"[15] Jessica Kiang of Variety wrote, "This remarkable performance documentary may be for the Nick Cave-curious exclusively, but for them (us) it is close to essential.