anchor.diff:  				<th>Artist</th>
   			</tr>
   			<c:forEach var="track" items="${record.tracks}">
  -				<tr>
  +				<tr itemprop="tracks" itemscope itemtype="http://www.schema.org/MusicRecording">
   					<td>${track.trackNr}</td>
  -					<td>${track.name}</td>
  -					<td>${track.length}</td>
  +					<td itemprop="name">${track.name}</td>
  +					<td itemprop="duration">${track.length}</td>
   					<td>
   						<c:if test="${! empty track.artist}">
  -							<a href="artist?q=${track.artist}">${track.artist}</a>
  +							<a href="artist?q=${track.artist}" itemprop="byArtist">${track.artist}</a>
   						</c:if>
   						<c:if test="${empty track.artist}">
   							<c:forEach var="artist" items="${record.artist}">
  -								<a href="artist?q=${artist.name}">${artist.name}</a> 
  +								<a href="artist?q=${artist.name}" itemprop="byArtist">${artist.name}</a> 
   							</c:forEach>
   						</c:if>
   					</td>
  
positive.code: 	</ul>
  </div>
  <div class="full main_wrapper">
  	<div class="album_description left half">
  		<h2>Description</h2>
  		${record.description};
  	</div>
  
negative.code: 					</c:forEach>
  				</ul><br />
  				by
  				 <ul itemprop="byArtist" itemscope itemtype="http://www.schema.org/MusicGroup">
  					<c:forEach var="artist" items="${record.artist}">
  						<li itemprop="name">${artist.name}</li>
  					</c:forEach>
  				</ul>
  				
  