Here's the sheet music and lyrics courtesy of Music Monday:
Chris Hadfield has become a social media success and is one of the geeks you should be following on Twitter:
Also check out:
Debut of "I.S.S. (Is Somebody Singing)" on CBC Music
CBC Music article: "Ed Robertson takes us behind the writing of 'I.S.S. (Is Somebody Singing)'"
Laughing Squid: "Barenaked Ladies Record a Song with Astronaut Chris Hadfield, First Ever Space-to-Earth Musical Collaboration"
Wired: "Astronaut Chris Hadfield Records Single (From the ISS), With Earthbound Barenaked Ladies"