Mary Haley has the perfect party trick: a barcode-like tattoo of nearly two dozen fine lines that, when scanned with a Spotify music app, prompts a phone to play “Mambo No. 5” by Lou Bega.
Haley, who is 33 and runs a marketing agency in Skowhegan, Maine, got the Spotify tattoo in early 2022. When she moonlights as a waitress at a local snowmobiler bar, guests will sometimes ask her what song it plays. She often tells them, ‘You have to scan it.’ If they do, they are rewarded with lyrics that include the line, “A little bit of Mary all night long.”
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