anchor.diff:      <%= javascript_include_tag "computermusic/js/fiddletune.js", "data-turbolinks-track" => true %>
   <% end %>
   
  -	<h1>Human-Aided Computer Composition</h1>
  +	<h1>HACC</h1>
  +    <h2>Human-Aided Computer Composition</h2>
   	<div class="row-fluid">
   		<section id="music">
               <div class="col-md-6 col-md-offset-3 center">
  -    			<button class="button" onclick="random_fiddle_tune()">Generate Fiddle Tune</button>
  +    			<button class="btn btn-primary" onclick="random_fiddle_tune()">Generate Fiddle Tune</button>
               </div>
   		</section>
               <div class="col-md-6 col-md-offset-3">
  
positive.code: 
      // code for translating a sequence of notes for the fiddle tune into stuff that is played back
      var translateFiddleTune = function(tune, tempo) {
          for (var note = 0; note < tune[0].length; note++) {
              // console.log("start and end times for " + tune[0][note] + ": " + (0.75*note) + " and " + (0.75*(note+1)));
              MIDI.noteOn(0, tune[0][note] + 60, 127, (60/tempo)*tune[1][note][0]);
              MIDI.noteOff(0, tune[0][note] + 60, (60/tempo)*tune[1][note][1]);
          };
      }
  
  
negative.code:                 var velocity = 127; // how hard the note hits
                  // set the volume
                  MIDI.setVolume(0, 127);
              }
          });
          // start counting how much time elapsed since page load, since 
          // we need to offset MIDI playback start and end times by the time since page load
          // http://www.webdeveloper.com/forum/showthread.php?3153-How-much-time-has-elapsed-Since-loading-this-web-page
          var startTime = new Date().getTime();
      };
  
      // function for generating a random fiddle tune in a random key
  