From the statue of Mile Davis is Alton Illinois.... The background is a banner that was hanging across the street (the back side of said banner).
"Kind Of Blue" refers (of course) to the ultra classic 1959 album by Miles Davis... Kind Of Blue
As Allmusic puts it: Kind of Blue isn't merely an artistic highlight for Miles Davis, it's an album that towers above its peers, a record generally considered as the definitive jazz album. To be reductive, it's the Citizen Kane of jazz -- an accepted work of greatness that's innovative and entertaining.
Blue tone added using Topaz B&W Filter