fixing book link

about.html

@@ -11820,7 +11820,7 @@ div#notebook {
 <div class="inner_cell">
 <div class="text_cell_render border-box-sizing rendered_html">
 <ul>
-<li>International Audio Laboratories Erlangen, <a href="https://www.audiolabs-erlangen.de/fau/professor/mueller">Meinard Müller</a> (author, <a href="www.music-processing.de">Fundamentals of Music Processing</a>, Springer, 2015)</li>
+<li>International Audio Laboratories Erlangen, <a href="https://www.audiolabs-erlangen.de/fau/professor/mueller">Meinard Müller</a> (author, <a href="http://www.music-processing.de">Fundamentals of Music Processing</a>, Springer, 2015)</li>
 <li>San Jose State University, CS185C - Topics on Music Information Retrieval, Vidya Rangasayee</li>
 <li>Stanford University, <a href="https://ccrma.stanford.edu/courses/364/">Music 364: Data-Driven Research in Music Cognition</a>, <a href="https://ccrma.stanford.edu/~blairbo/">Blair Kaneshiro</a></li>
 <li>MIT, <a href="http://musictech.mit.edu/fmp">21M.359: Fundamentals of Music Processing</a>, <a href="http://mta.mit.edu/person/eran-egozy">Eran Egozy</a></li>

about.ipynb

@@ -53,7 +53,7 @@
     "editable": true
    },
    "source": [
-    "- International Audio Laboratories Erlangen, [Meinard Müller](https://www.audiolabs-erlangen.de/fau/professor/mueller) (author, [Fundamentals of Music Processing](www.music-processing.de), Springer, 2015)\n",
+    "- International Audio Laboratories Erlangen, [Meinard Müller](https://www.audiolabs-erlangen.de/fau/professor/mueller) (author, [Fundamentals of Music Processing](http://www.music-processing.de), Springer, 2015)\n",
     "- San Jose State University, CS185C - Topics on Music Information Retrieval, Vidya Rangasayee\n",
     "- Stanford University, [Music 364: Data-Driven Research in Music Cognition](https://ccrma.stanford.edu/courses/364/), [Blair Kaneshiro](https://ccrma.stanford.edu/~blairbo/)\n",
     "- MIT, [21M.359: Fundamentals of Music Processing](http://musictech.mit.edu/fmp), [Eran Egozy](http://mta.mit.edu/person/eran-egozy)\n",