At the time of the making of this video, Roy Orbison was deceased so the camera pans over to his guitar on a rocking chair and his photo during his vocals:
Re: What kind of music do you listen to during trading?
1451“[A]s we know, there are known knowns—there are things we know we know. We also know there are known unknowns—that is to say we know there are some things we do not know. But there are also unknown unknowns—the ones we don’t know we don’t know.”—Donald Rumsfeld, 2002
