It's a bonus song on their latest album Letters From The Labyrinth, which was released last week. Trans-Siberian Orchestra founder Paul O'Neill says: "Over the years I have been able to read and hold in my hands letters from people that have inspired me and left a mark on civilisation. People like Mark Twain, Ben Franklin, Thomas Edison and Orville Wright.

"When I actually held a letter in my hand that President Lincoln wrote, it brought me into his world in a way I could never have imagined." Trans-Siberian Orchestra are currently on their The Ghosts Of Christmas Eve tour across North America. Stream the new song - here.

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