Just posted on YouTube today.

Commander Chris Hadfield returns to Earth on Monday. His stay on the ISS has captured the imagination and the curiosity of millions of people on Earth. Not only do we have the technology to send men to space for months at a time, but they can share that experience so richly with all of us. Amazing!

Here is Chris Hadfield singing David Bowie's Space Oddity, from the International Space Station (AKA "the coolest thing that has ever happened")