I think if you get the balance right – loops can be an excellent way of ‘producing’ on the fly. It’s like “micro-dj-ing” – mixing parts of the track together to make the track, it’s like going into the microscope.
But then on the other hand – this set from Nick Hoppner uses no loops and is amazing….. [media=youtube]HXL7qvFYU5Q[/media]