Composer John Adams has launched a blog, "Hell Mouth," in which we're treated (so far) to a hellish transcontinental
flight, a dog show, a pratfall and composition by outsourcing: http://www.earbox.com/posts
And composer Michael Gordon (whom locals may recognize thanks to eighth blackbird's performances of several of his pieces) imagines a symphonic version of the "Guitar Hero" game:
http://thescore.blogs.nytimes.com/2009/10/31/orchestra-hero/