Processing.org code for the cover of http://8tracks.com/danielrt/51

51.pde

int i, j, k, gray;
int[] d=new int[2];
int[][][] disp=new int[90][90][2];
PGraphics n51;
PFont fnt=createFont("HelveticaNeueLTStd-Bd", 54);

void setup() {
  size(1440, 1440);
  background(31, 53, 71);
  strokeWeight(1);
  for (i=0; i<90; i++) {
    for (j=0; j<90; j++) {
      disp[i][j][0]=i*16+8-round(random(16));
      disp[i][j][1]=j*16+8-round(random(16));
    }
  }
  n51=createGraphics(90, 90); // raster "51."
  n51.beginDraw();
  n51.background(0);
  n51.fill(255);
  n51.textFont(fnt);
  n51.textAlign(CENTER, TOP);
  n51.text("51.", 45, 40);
  n51.endDraw();
  for (i=1; i<89; i++) {
    for (j=1; j<89; j++) {
      gray=round(red(n51.pixels[i+j*n51.width])/16);
      for (k=0; k<round(random(gray*6))+2; k++) {
        stroke(237, 53, 71, 32+round(random(64)));
        d[0]=floor(random(3))-1;
        d[1]=floor(random(3))-1;
        line(
          disp[i][j][0],
          disp[i][j][1],
          disp[i+d[0]][j+d[0]][0],
          disp[i+d[1]][j+d[1]][1]
        );
      }
    }
  }
  save("51.png");
}