If you have a band in Seattle, good luck finding an affordable practice space. There aren't many to begin with, and if a band can find a place that doesn't mind the noise, it is often small, old and outrageously expensive. Seattle music journalist and author Charles R. Cross says things were noticably different in the early and mid-'80s. "There were many, many empty spaces, that were just empty forever. So the capacity for a band member to rent a room for a hundred dollars in Belltown and live,