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A crew of computer science researchers have created an app that they say picks the perfect music based on your heart rate, What Should Your Normal Resting Heart Rate Really Be, the University of Virginia's Cavalier Daily reports.

Advertisement - Continue Reading Below Cavalier Daily that the current version matches music to heart rate and activity almost 100 percent of the time. "The problem is the heart wants to hear something but our music player does not understand the need," Shahriar Nirjon said. "My joy was in connecting them together in a non-invasive and cost-effective way."

MusicalHeart uses sensors in headphones to gather information about the wearer's heart rate, activity level and geographic location, and then matches that information to its database of music.

A question, though: What if your heart rate indicates it's best to hear &Published: Oct 24, 2012 but your brain says there's never a good time for that?

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Scott Douglas

Scott is a veteran running, fitness, and health journalist who has held senior editorial positions at Runner’s World and Running Times. Much of his writing translates sport science research and elite best practices into practical guidance for everyday athletes. He is the author or coauthor of several running books, including Fun Half Marathons, Advanced Marathoning, and Shoes & Gear. Shoes & Gear Slate, The Atlantic, the Washington Post, and other members of the sedentary media. His lifetime running odometer is past 110,000 miles, but he’s as much in love as ever.