hark 
/ˈhɑɚk/ verb
harks; harked; hark·ing /ˈhɑɚk/ verb [no obj] old-fashioned + literary : listen — usually used as a command ▪ “Hark! I hear a rustling of the leaves.” — H. D. Thoreau, Walden (1854) ▪ “Hark, she speaks!” — Shakespeare, Macbeth (1605–06)
hark back to [phrasal verb]
hark back to (something) 1 : to return to or remember (something in the past)
▪ He always harks back to the good old days of his youth. 2 : to look or seem like (something in the past)
▪ The movie has a style that harks back to the golden age of Hollywood.
▪ He always harks back to the good old days of his youth.
▪ The movie has a style that harks back to the golden age of Hollywood.
