Processing.org code for the cover of http://8tracks.com/danielrt/42

42.pde

int i, j, k, gray;
PGraphics n42; // raster "42."
PFont fnt=createFont("HelveticaNeueLTStd-Bd", 54);
color[] c={
  color(234, 38, 92), // red
  color(5, 130, 204), // blue
  color(144, 204, 0), // green
  color(254, 183, 0) // orange
};

void setup() {
  size(1440, 1440);
  background(255);
  noFill();
  n42=createGraphics(90, 90); // raster "42."
  n42.beginDraw();
  n42.background(0);
  n42.fill(255);
  n42.textFont(fnt);
  n42.textAlign(CENTER, TOP);
  n42.text("42.", 45, 40);
  n42.endDraw();
  strokeWeight(1);
  strokeCap(SQUARE);
  for (j=0; j<90; j++) {
    stroke(c[floor(random(c.length))], 63+floor(random(63)));
    for (i=0; i<90; i++) {
      gray=8-round(red(n42.pixels[i+j*n42.width])/32);
      for(k=0; k<8+gray; k++) {
        line(i*16, j*16+k, i*16+16, j*16+k);
      }
    }
    stroke(c[floor(random(c.length))], 63+floor(random(63)));
    for (i=0; i<90; i++) {
      gray=8-round(red(n42.pixels[i+j*n42.width])/32);
      for(k=16; k>=8-gray; k--) {
        line(i*16, j*16+k, i*16+16, j*16+k);
      }
    }
  }
  save("42.png");
}