If you're planning out your stops for the upcoming Second Saturday Art Walk, head for the alley in the center of 18th and 19th Streets and I and J. From 6 -10 p.m., BridgetoArt.com, KLSC Studios and Doolittle Properties are packing a musical and art overload into the open space. The idea for the festival was first conceived when longtime high school friends Kevin Santos-Coy of Bridge to Art and KLSC and Jeffrey Doolitte of Doolittle Properties met at Weatherstone Coffee about a year and a half ago. The conversation turned to the congestion of the streets and how nice it would be to have an open area for artists to perform. Inspired, Doolittle immediately offered up his own back lot. Aft