Experiment

Defocus is a great way to abstractify images, but if nothing is sharp at all in the image I often find the result not satisfying. That leads to the idea to superimpose or merge a second sharp image of the same scene like I've done here.
Today I tried with different processing of the individual images before merging them in Photoshop and also a different algorithm to calculate the composite. As Photoshop has an overwhelming number of methods it was a bit trial and error, but I like the end-result: