A music psychologist has compiled a playlist of 30 songs, created according to a scientific formula, guaranteed to make you feel good.

A scientific playlist has been created to boost your mood and release your inner happy dance and it's a perfect accompaniment to free time activities such as road trips ...

HOW MANY SINGERS does it take to re-create the songs of Abba in the hit musical "Mamma Mia!"? Four, right? Try 30. "This show attempts to celebrate the music of Abba and depends . . . on its ...