an Entity references as follows:
"The Unnamed Feeling" is a song by heavy metal band Metallica. It was released on January 12, 2004, as the third single from the band's eighth studio album, St. Anger (2003). The song is about an unnamed feeling (which, according to James Hetfield, is anxiety) that a person feels when they are close to the edge of losing control, just before he or she panics.