The Rock 'n' Roll Rumble (sometimes stylized "Rock & Roll Rumble"; formerly the "WBCN Rock 'n' Roll Rumble"), begun in 1979, is a Greater Boston "battle of the bands" competition sponsored by Boston Emissions, an online local music program formerly broadcast on WBCN (from 1987 until 2008) and WZLX (from 2009 until 2018). The Rumble remains the longest running event of its kind in the US. The Rumble is hosted and produced by Boston DJ Anngelle Wood, host of Boston Emissions.