code: func FuzzColor(colors ...color.Color) ColorFunc {
  	// Filter any nil values
  	colors = filterNilColors(colors)
  
  	// Seed RNG
  	rand.Seed(time.Now().UnixNano())
  
  	// Select a color at random on each call
  	return func(n int, x int, y int, maxN int, maxX int, maxY int) color.Color {
  		return colors[rand.Intn(len(colors))]
  	}
  }
docs: // FuzzColor generates a ColorFunc which applies a random color on each call,
  // selected from an input, variadic slice of colors.  This can be used to create
  // a random fuzz or "static" effect in the resulting waveform image.