Life has exhilarating moments when the spirit soars and the heart sings out of pure, unrestrained joy. A person experiences such elation, peace, and satisfaction that music─or at least some semblance of melody─seems to be the only appropriate response. So, in monotone, on perfect pitch, or somewhere in between, the soul sings its happy expressions of praise, gratitude, and sheer celebration of life that, for the moment, is good. Often, spontaneous songs that well up from life's depths are addressed to God in answer to His grace and goodness.

Conversely, life also has...