If you search youtube for something like "pure data dance music" you'll find some excellent spaghetti diagrams that produce music/video. Since the environment

If you search youtube for something like "pure data dance music" you'll find some excellent spaghetti diagrams that produce music/video. Since the environment provides realtime feedback, it's a drag to try to refactor the current diagram into a reusable abstraction. Instead, many users optimize their creative time and just keep adding functionality to the diagram in a single graphical window. By the time they are done there is text overlapping other text and a bunch of lines obscuring most of the diagram. Even with the ones that have a simple set of controls for a sequencer or whatever, there is usually a "guts" module that hides all the spaghetti. Also, for any running program you can instantly make it twice as spaghetti by doing "select all" and "duplicate." :)