He spent 31 years leading influential R&B radio station KBLX-FM in San Francisco, championing the “Quiet Storm” sound that paved the way for softer, jazzier sounds on U.S. radio across the 1980s and 1990s. Now, many in Radio are mourning the loss of former President/GM Harvey Stone. Stone, considered one of the architects of modern “Urban Contemporary” radio, died Tuesday (8/4). She began her column by noting the copy for KBLX’s then-current television commercial:There is a musical landscape, so lovely, so harmonious, that its territory is explored by only one radio station, “The Quiet Storm,” KBLX. By April 2012, Inner City Media Corporation was working through a Chapter 11 bankruptcy proceeding, with a court naming YMF Media the new owner of its radio stations.