Good news if you can't hold a beat: An app called Steve Reich’s Clapping Music might be able to fix you. Clapping Music, from the British app shop Touchpress, is a gamified lesson in tempo. It ...

Some people just can't seem to keep a beat. You know the ones: They seem to be swaying to their own music or clapping along to a beat only they can hear. You may even think that describes you.

The study, published in the journal Physical Review Research, shows that the sound of a clap is not just due to two hands smashing into each other.