Processing.org code for the cover of http://8tracks.com/danielrt/48

48.pde

int i, j, k, gray;
float x, y;
PGraphics n48; // raster "48."
PFont fnt=createFont("HelveticaNeueLTStd-Bd", 54);

void setup() {
  size(1440, 1440);
  background(0);
  noFill();
  n48=createGraphics(90, 90); // raster "48."
  n48.beginDraw();
  n48.background(0);
  n48.fill(255);
  n48.textFont(fnt);
  n48.textAlign(CENTER, TOP);
  n48.text("48.", 45, 40);
  n48.endDraw();
  strokeWeight(1);
  stroke(255, 64);
  noFill();
  for (i=0; i<90; i++) {
    x=3-random(6);
    y=3-random(6);
    beginShape();
    curveVertex(0, i*16);
    for (k=0; k<8; k++) {
      for (j=0; j<90; j++) {
        gray=round(red(n48.pixels[j+i*n48.width])/16);
        curveVertex(j*16+round(k*x*gray/8), i*16+round(k*y*gray/8));
      }
    }
    curveVertex(1440, i*16);
    endShape();
  }
  save("48.png");
}