The record company BMG is on a warpath in taking down video of President Obama singing a few bars of Al Green’s “Let’s Stay Together,” including a recent campaign ad by Mitt Romney.

There was a time in the 1970s when male artists could become famous by simply writing and singing great songs. Seemingly average joes such as Bruce Springsteen, James Taylor, Paul Simon, and Elton John sold millions of records without subscribing to the psychedelia of 60s rock, the angst of punk, the glam of the 80s, or the hyper-masculinity of metal and hip-hop. Today, acts such as Coldplay and James Blunt might hint at a resurgence…

FRIDAY: >> The First Ladies DJ Collective hits the Black Cat for Girl Friday: the I Love the 90s version. As their site says, join them to “go back in time to the decade that brought us the Real World, Sassy magazine, babydoll dresses, our first war in Iraq, and not one but three Amy Fisher made-for-tv movies.” Ah, Sassy magazine. How we miss it. 10 p.m., $5, backstage. >> Monopoli headlines tonight at Club…