A retro-style song used during his journey of self-fulfillment.
"Dasvidaniya" is a Russian term that roughly translates to "goodbye" or "farewell," but in the context you're referring to, it's associated with a disturbing phenomenon. Index Of Dasvidaniya
It is considered a formal and polite farewell, suitable for acquaintances, bosses, or strangers. 2. The Film: A Cultural "Index" of Life A retro-style song used during his journey of