diff --git a/doc/howto.mm b/doc/howto.mm
--- a/doc/howto.mm
+++ b/doc/howto.mm
@@ -49,13 +49,17 @@
 <node CREATED="1308033777882" ID="ID_755769299" MODIFIED="1308033782700" TEXT="music computer">
 <node CREATED="1308034085481" ID="ID_779250033" MODIFIED="1308034106254" TEXT="laptop with good sound out, or a USB sound card"/>
 <node CREATED="1308034107901" ID="ID_1320658724" MODIFIED="1308034130203" TEXT="headphone stereo male -&gt; two 1/4&quot; males"/>
+<node CREATED="1308377261889" ID="ID_647881132" MODIFIED="1308377266078" TEXT="good mouse optional"/>
 </node>
-<node CREATED="1308033783333" ID="ID_1682972675" MODIFIED="1308033785051" TEXT="lights computer"/>
+<node CREATED="1308033783333" ID="ID_1682972675" MODIFIED="1308033785051" TEXT="lights computer">
+<node CREATED="1308377255226" ID="ID_1636175647" MODIFIED="1308377259711" TEXT="bring a good mouse"/>
+</node>
 <node CREATED="1308033785491" ID="ID_1716801702" MODIFIED="1308034038082" TEXT="networking">
-<node CREATED="1308034038571" ID="ID_633696775" MODIFIED="1308034040566" TEXT="switch"/>
+<node CREATED="1308034038571" ID="ID_633696775" MODIFIED="1308377245903" TEXT="switch or wireless router"/>
 <node CREATED="1308034041165" ID="ID_1596071987" MODIFIED="1308034074616" TEXT="ethernet cables"/>
 </node>
 <node CREATED="1308034049907" ID="ID_442541121" MODIFIED="1308034051531" TEXT="power strip"/>
+<node CREATED="1308374028282" ID="ID_778738339" MODIFIED="1308374033042" TEXT="motorized sliders"/>
 <node CREATED="1308034055896" ID="ID_1324716526" MODIFIED="1308034059404" TEXT="gaff tape"/>
 <node CREATED="1308034535960" ID="ID_410669289" MODIFIED="1308034540418" TEXT="wrench"/>
 </node>
@@ -86,7 +90,9 @@
 <node CREATED="1308036401074" ID="ID_1373797262" MODIFIED="1308036412364" TEXT="house, worklight, etc"/>
 </node>
 </node>
-<node CREATED="1308036436694" ID="ID_1487148173" MODIFIED="1308036438006" POSITION="right" TEXT="video setup"/>
+<node CREATED="1308036436694" ID="ID_1487148173" MODIFIED="1308036438006" POSITION="right" TEXT="video setup">
+<node CREATED="1308377861635" ID="ID_183094001" MODIFIED="1308377897481" TEXT="point DV video camera at the stage, connect it to a machine, run bin/vidref, and it will follow the music"/>
+</node>
 <node CREATED="1308036480166" ID="ID_870685852" MODIFIED="1308036482648" POSITION="right" TEXT="music playback setup">
 <node CREATED="1308110459769" ID="ID_513754105" MODIFIED="1308110464936" TEXT="run bin/ascoltami2"/>
 <node CREATED="1308110465317" ID="ID_1790980441" MODIFIED="1308110479945" TEXT="browse to the host/port that ascoltami is serving on"/>