Wellness: Benefits that rock: How Zappos uses music to promote wellness: The employer offers online lessons in acoustic guitar, bass and ukulele to boost mental and physical health

The company's program, called Strum for the Sole, allows employees to practice in the company's "jam room," a space located Zappos' Las Vegas office, and which is outfitted with instruments, says Bhawna Provenzano, director of employee benefits and diversity at Zappos. Subtle connections Unengaged workers, as a consequence of mental health disorders and stress, cost the U.S. between $483 billion to $605 billion a year in lost productivity, according to data from the Society for Human Resource Management. The same data show that 83% of employers nationwide offer their workers mental health coverage.