Health experts say you need to wash your hands for 20 seconds with soap and water to get them clean, CNET reported. Songs like “Happy Birthday” give you the 20-second timer needed. but it can be boring to keep singing, or humming, the same song all the time.
But how do you find the perfect hand-washing song? Well, there’s an app for that.
“I wanted to make the poster for all my favorite songs, so I wrote a script to automate the entire process, which was a lot more fun than copying and pasting the lyrics into Photoshop,” William Gibson told the Huffington Post.
The program gets the lyrics from Genius and has a little wiggle room for the exact timing, CNET reported.
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