Processing.org code for the cover of http://8tracks.com/danielrt/49

49.pde

int i, j, x, y, gray, r;
PGraphics n49;
PFont fnt=createFont("HelveticaNeueLTStd-Bd", 54);

void setup() {
  size(1440, 1440);
  n49=createGraphics(90, 90);
  n49.beginDraw();
  n49.background(0);
  n49.fill(255);
  n49.textFont(fnt);
  n49.textAlign(CENTER, TOP);
  n49.text("49.", 45, 40);
  n49.endDraw();
  background(73, 67, 67);
  strokeCap(PROJECT);
  for(i=0; i<90; i++) {
    for(j=0; j<90; j++) {
      gray=round(red(n49.pixels[i+j*n49.width])/16);
      if (gray>0) {
        r=round(random(16));
        stroke(244, 244, 240, r*12);
        strokeWeight(round(random(r)/1.2));
        line(
          i*16+8+r,
          j*16-r,
          i*16-8-r,
          j*16+16+r
        );
      }
    } 
  }
  save("49.png");
}