Earlier this summer, Ed Sheeran released his second album, Multiply, and mentioned to the press that Cumberbatch hoped to appear in the video, but that part of his management team decided it was a poor idea.
Ed Sheeran and Benedict Cumberbatch didn't necessarily work together for The Hobbit: The Desolation of Smaug, but it is a shared reason for them to celebrate.
We start with the more traditional Q&A, courtesy of TwoTubesTV, where we hear a glimpse into the songwriting process for Ed, and Benedict's tribute of sorts to his dad, actor Timothy Carlton, by playing "Smaugy."