Listen to The Polar Express - Main Theme by Alan Silvestri online. The Polar Express - Main Theme by Alan Silvestri is an English language song and is sung by Dominik Hauser. The Polar Express - Main Theme by Alan Silvestri, from the album Season's Finest: The Deluxe Edition - Themes from Holiday Film and TV Favorites and Timeless Traditional Classics, was released in the year 2011. The duration of the song is 2:45. Download English songs online from JioSaavn.