Perhaps this could be an alternative: http://grooveshark.com/

Actually I can't figure that out either, but my PC seems to be too slow to use this app in a normal way. Gonna try tomorrow at work...

"To rotate the canvas in 3D, you need to hold down SPACE and then DRAG horizontally with your cursor."

Move your cursor over the heading so you get a little help (not really intuitive, but I liked it once I found it)

Oh, very cool. This just got a bunch more fun.

Looks nice, even nicer. Though one must have Windows installed...

xplanet works on Linux and OSX (maybe Windows too, I dunno), but it doesn't do clouds afaik.

Well, sorry about that. That's the result of adding the link using the Bookmarklet. I actually didn't even notice this.

And it's a good "demo". It was a lot easier to explain quickly a few friends what it's all about using this as a "dynamic example".