Entertainment Free Matt Nathanson Concert At Super Bowl City February 4, 2016 / 5:53 AM PST / CBS News Picture of the free Matt Nathanson concert at Super Bowl City in San Francisco on February 3, 2015. (Photos: Marc Fong) Free Matt Nathanson Concert At Super Bowl City Picture of the free Matt Nathanson concert at Super Bowl City in San Francisco on February 3, 2015. (Photos: Marc Fong) Free Matt Nathanson Concert At Super Bowl City Picture of the free Matt Nathanson concert at Super Bowl City in San Francisco on February 3, 2015. (Photos: Marc Fong) Free Matt Nathanson Concert At Super Bowl City Picture of the free Matt Nathanson concert at Super Bowl City in San Francisco on February 3, 2015. (Photos: Marc Fong) Free Matt Nathanson Concert At Super Bowl City Picture of the free Matt Nathanson concert at Super Bowl City in San Francisco on February 3, 2015. (Photos: Marc Fong) Free Matt Nathanson Concert At Super Bowl City Picture of the free Matt Nathanson concert at Super Bowl City in San Francisco on February 3, 2015. (Photos: Marc Fong) Free Matt Nathanson Concert At Super Bowl City Picture of the free Matt Nathanson concert at Super Bowl City in San Francisco on February 3, 2015. (Photos: Marc Fong) Free Matt Nathanson Concert At Super Bowl City Picture of the free Matt Nathanson concert at Super Bowl City in San Francisco on February 3, 2015. (Photos: Marc Fong) Free Matt Nathanson Concert At Super Bowl City Picture of the free Matt Nathanson concert at Super Bowl City in San Francisco on February 3, 2015. (Photos: Marc Fong) Free Matt Nathanson Concert At Super Bowl City Picture of the free Matt Nathanson concert at Super Bowl City in San Francisco on February 3, 2015. (Photos: Marc Fong) Free Matt Nathanson Concert At Super Bowl City Picture of the free Matt Nathanson concert at Super Bowl City in San Francisco on February 3, 2015. (Photos: Marc Fong) Free Matt Nathanson Concert At Super Bowl City Picture of the free Matt Nathanson concert at Super Bowl City in San Francisco on February 3, 2015. (Photos: Marc Fong) Free Matt Nathanson Concert At Super Bowl City Picture of the free Matt Nathanson concert at Super Bowl City in San Francisco on February 3, 2015. (Photos: Marc Fong) Free Matt Nathanson Concert At Super Bowl City Picture of the free Matt Nathanson concert at Super Bowl City in San Francisco on February 3, 2015. (Photos: Marc Fong) Free Matt Nathanson Concert At Super Bowl City Picture of the free Matt Nathanson concert at Super Bowl City in San Francisco on February 3, 2015. (Photos: Marc Fong) Free Matt Nathanson Concert At Super Bowl City Picture of the free Matt Nathanson concert at Super Bowl City in San Francisco on February 3, 2015. (Photos: Marc Fong)