Complex sentence: The melody is similar to the American folk song, "Oh My Darling, Clementine", Some peoples due to the "New Year's Day", use an different song called Auld Lang Syne instead of this song.
Split into simpler sentences: The melody is similar to the American folk song, "Oh My Darling, Clementine". Due to the influence of "New Year's Day", others use Auld Lang Syne instead of this song.