WBCN is a digital-only radio station airing on WBZ-FM HD-2 in Boston, Massachusetts and owned by CBS Radio. Before switching to 98.5 HD-2 on 12 August 2009, WBCN ran its rock format for 41 years as an analog radio station on 104.1 MHz (now WBMX). WBCN became a legend in the rock music industry for breaking many bands, most notably U2. WBCN was an modern rock/active rock station that mixed music that has been popular in the modern rock, alternative rock and classic rock genres. Known as "The Rock Of Boston", its two main Boston-area competitors as of 2009[update] were Album Oriented Rock/active rock WAAF and alternative music stations WBOS and WFNX.