Piety in modern English usage can refer to a way to win the favor or forgiveness of God, According to some, this type of piety does not necessarily require the spiritual piety, while others refrain from distinguishing the two.
It is also used by others to refer only to external signs that result from the spiritual aspect of piety. That is, according to some, if one is “truly” pious (in the spiritual sense), the natural and inevitable result of it will be religious piety. By this definition, then, piety can be either genuine, in that it springs from spiritual piety, or false, in that it is an attempt to exhibit the signs of piety for their own sake, or for some other reason, (such as propitiation or public esteem).
http://www.youtube.com/watch?v=yGl2DhiMINs
(No hidden meanings or messages behind this video, Fred. It’s just such a beautiful song, I’m hoping you will enjoy it—and even more hopefully receive a blessing. A true banquet for the ears!)