New York and Washington, D.C., have both lost their smooth-jazz stations in recent weeks, leading a radio-industry Web site to wonder if it's "time to sound a death knell for the format." Not that ...

Jazz station 91.9/WCLK has gotten a bit smoother and a bit younger in its sound to try to gain a bigger audience. Wendy Williams, the general manager, said membership (at 1,900) and listeners (at ...