So here's the YouTube video for your viewing pleasure. It's called Beddu Tambureddu, an excellent cover by Giuliano Gabriele, originally sung by Domenico Modugno (famous for his Volare).
But here's where the coincidence was. I started reading Living in a Foreign Language: A Memoir of Food, Wine, and Love in Italy, by Michael Tucker about three days ago and pizzica-pizzica was mentioned by the author. Here's an excerpt from page 54:
The YouTube video was my first introduction to pizzica-pizzica and I was amused by it, actually. And then I bumped into it again in Michael Tucker's book. Coincidence. And I've lived in Puglia for three months last year from mid-June to October. Another coincidence.
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