It's generally "Atom Heat Mother". While you're at it, I want to see you try to change people's mispronunciation of "forte" and the misuse of "achilles' heel" (see George Carlin literature for a discussion on that).
I have a 1970 BBC tape (cassette) that has a Fat Old Son on it too (or is it "The Fat Old Sun")
It's great, much better than the studio version, which I think is kind of lame.
The Transatlantic was cool when I first heard and bought it, but I can't help feeling thay wasted an opportuntiy to be really good.
And while I think Fly By Night is just as "prog" as Caress of Steel, I won't complain and be glad you're playing the great "2112".
"You can't have something for nothing, you can't have freedom for free. You won't get wise with the sleep still in your eyes, no matter what you're dream might be"!
Nice dig on the large bassists!