Here are a couple quick and dirty demos. Both use the same boring guitar loop. No other effects used, just changing settings.
https://www.youtube.com/watch?v=w8XOpzO9xno
https://www.youtube.com/watch?v=ElEsVBZ6XUk
https://www.youtube.com/watch?v=w8XOpzO9xno
https://www.youtube.com/watch?v=ElEsVBZ6XUk