Happy tunes don't just make you nicer, they can also make you more open to people very different than you, science suggests. (inc.com)
Soft, soothing songs generally work best for newborns to 3 or 4 month olds, while happier tunes tend to capture the attention of older infants. (ph.theasianparent.com)
From Martin Seligman's perspective, optimism is * not * about whistling happy tunes to ourselves when life gets challenging. (mindbodygreen.com)