The season finale of Saturday Night Live hosted by Mick Jagger, with musical guests Arcade Fire, Foo Fighters, and Jeff Beck, averaged a 2.7 rating with adults 18-49 in the 25 markets with local people meters. That's down from last week's episode withNot to mention Mick Jagger, Jeff Beck and Arcade Fire, key players in a planned all-star jam. Still, in a sign of true showmanship, Dave Grohl assured the crowd.Mick Jagger & Jeff Beck .. Presidential Election Blues Song. [youtube]youtube.com/watch?v=5ySODio4fmg[/youtube] Mick Jagger and JEFF BECK do a The Presidential Election Blues Song on Saturday Night Live that Mick wrote .Jeff Beck, the owner of Demopolis Marketplace and its surrounding Gateway Plaza, approached the council to voice his concerns with the location of the substation. “I feel like it has created an unfair and un-level playing field,” Beck said of theNear the end of Saturday's season finale, the 68-year-old Rolling Stones frontman performed "Tea Party," a bluesy number featuring guitar virtuoso Jeff Beck. Jagger told the audience he wrote the song, which is about the current presidential campaign