Worship--what a topic! I don't have stats on this, but I'd wager that differences in the style of worship have caused as many Church splits as doctrine has, if not more. Many times the differences rise no further than level of comfort. In many Reformed communities, however, styles of worship are largely based upon what is known as the Regulative Principle of Worship (hereafter RP). Now, I feel like I ought to offer a little bit of information about my theological upbringing. I was raised in a Reformed Presbyterian church. We used no instruments and sung exclusively from the Psalms. The RP was the basis for our decisions about worship. If you are not Reformed, you probably don't really know that that phrase means. Heck! I'm Reformed and I can barely nail down a clear definition. Different groups claim to ascribe to it, with many of them defining it differently. Basically, the RP (as regards worship) states that we are only permitted to wo