Sirius Satellite Radio features seven channels of jazz and blues music. One of them is called "Cafe Jazz," which caters to the smooth jazz enthusiast. I have had a chance to hear both "Cafe Jazz" and its competetor, XM Satellite Radio's "Watercolors," and I was very impressed with the diversity of "Cafe Jazz." If I was to program a smooth jazz station, "Cafe Jazz is the way I would program it. It is a great mixture of instrumental and vocal jazz that goes beyond the normal music range of smooth …