You can find and download the MP3 for (often associated with the artist Mozgi or popular New Year remixes) on several music platforms.
Here are a few sites where you can listen to or download the track: skachat opa novyi god mp3
: A collection specifically for different remixes and snippets of the "Opa Novyi God" theme. You can find and download the MP3 for
: Offers various versions of the song, including the popular 3:40 and 2:55 edits. skachat opa novyi god mp3