Half Tone Wave Effect

I've always like halftone images and never get around to producing any although I have heaps of photos of musicians that are well suited to the technique. I'll stick to tutorial on my blog so I can find it when the spirit moves me to do a half tone.

From this:

To this: 

http://best-photoshop-tutorials.blogspot.com/2011/11/halftone-wave-photo-effect.html