Just a reminder that Tape Op (the magazine cited above) is free; you just have to register. They even send you their print copy for free, which is wonderful.
Sorry, you're right, I should have made that clear. Unfortunately they don't do the paper edition in Europe any more...
That particular article is only available in the $2 digital archive issue. If you like Sufjan Stevens or enjoy reading articles that make your jaw drop, it's definitely worth the money.