diff --git a/HISTORY.md b/HISTORY.md
index 64953381..d4e77d4f 100755
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -83,6 +83,7 @@
 * updated "bignums" library (for new HOF prims)
 * updated "crayons" library (for new HOF prims)
 * updated "animation" library (for new HOF prims)
+* updated "audio comp" library (for new HOF prims)
 
 ### 2019-04-25
 * updated German translation (for new HOF prims)
diff --git a/libraries/audioComp_module.xml b/libraries/audioComp_module.xml
index f5438160..d460da90 100644
--- a/libraries/audioComp_module.xml
+++ b/libraries/audioComp_module.xml
@@ -1 +1 @@
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s="evaluate"><block var="test"/><list></list></block></block><block s="doReport"><block s="reportNot"><block s="reportEquals"><block var="pic"/><block s="reportBoolean"><l><bool>false</bool></l></block></block></block></block></script><list></list></block><list></list></block></block><block s="doReport"><block var="pic"/></block></script></block-definition><block-definition s="note from %&apos;pitch&apos; hz" type="reporter" category="sound"><header></header><code></code><translations></translations><inputs><input type="%n">440</input></inputs><script><block s="doReport"><block s="reportRound"><block s="reportSum"><block s="reportProduct"><l>12</l><block s="reportQuotient"><block s="reportMonadic"><l><option>log</option></l><block s="reportQuotient"><block var="pitch"/><l>440</l></block></block><block s="reportMonadic"><l><option>log</option></l><l>2</l></block></block></block><l>69</l></block></block></block></script></block-definition><block-definition s="hz from note %&apos;note&apos;" type="reporter" category="sound"><header></header><code></code><translations></translations><inputs><input type="%n">69</input></inputs><script><block s="doReport"><block s="reportProduct"><l>440</l><block s="reportPower"><l>2</l><block s="reportQuotient"><block s="reportDifference"><block var="note"/><l>69</l></block><l>12</l></block></block></block></block></script></block-definition><block-definition s="name of note %&apos;note&apos;" type="reporter" category="sound"><header></header><code></code><translations></translations><inputs><input type="%n">69</input></inputs><script><block s="doReport"><block s="reportListItem"><block s="reportSum"><block s="reportModulus"><block s="reportDifference"><block var="note"/><l>69</l></block><l>12</l></block><l>1</l></block><block s="reportNewList"><list><l>A</l><l>Bb</l><l>B</l><l>C</l><l>C#</l><l>D</l><l>D#</l><l>E</l><l>F</l><l>F#</l><l>G</l><l>G#</l></list></block></block></block></script></block-definition></blocks>
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