diff --git a/low-tech-chronicles/index.html b/low-tech-chronicles/index.html
index 4905094..9796604 100644
--- a/low-tech-chronicles/index.html
+++ b/low-tech-chronicles/index.html
@@ -61,7 +61,8 @@ This FIRST issue revolves around the topic how sound can play a role in the perc
 <h3 class='gal-title'>Publication</h3>
 <ul id='publist'>
 <li><a href='PDF/LTC-1_Ephemeral_Encodings.pdf' target="_blank" class='ext'>Ephmeral Encodings </a></li>
-<li><a href='PDF/Mark_van_den_Heuvel_thesis_light-edition.pdf ' target="_blank" class='ext'>Thesis (undesigned edition) </a></li>
+<li><a href='PDF/Mark_van_den_Heuvel_thesis_light-edition.pdf' target="_blank" class='ext'>Thesis (undesigned edition) </a></li>
+<li><a href= 'https://hub.xpub.nl/sandbox/~markvandenheuvel/cassette-content.html' target="_blank" class='ext'>cassette content </a></li>
 </ul>  
 <img src="img/pub1.jpg" class='workimg'/>
 <img src="img/pub2.jpg" class='workimg'/>