diff --git a/doc/howto.mm b/doc/howto.mm
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+<map version="0.9.0">
+<!-- To view this file, download free mind mapping software FreeMind from http://freemind.sourceforge.net -->
+<node CREATED="1308025572397" ID="ID_1355747502" MODIFIED="1308033060768" TEXT="light9 show">
+<node CREATED="1308025596553" ID="ID_1538302866" MODIFIED="1308026605686" POSITION="right" TEXT="prep audio">
+<node CREATED="1308026634879" ID="ID_410530634" MODIFIED="1308026653906" TEXT="17 songs uses about 2GB of prep space"/>
+<node CREATED="1308025708206" ID="ID_1275526826" MODIFIED="1308025710518" TEXT="record from CD">
+<node COLOR="#cc6600" CREATED="1308026657370" ID="ID_1239845456" MODIFIED="1308032917673" TEXT="cdparanoia &lt;tracknum&gt; &lt;outfilename.wav&gt;"/>
+</node>
+<node CREATED="1308025711176" ID="ID_1587810986" MODIFIED="1308025713050" TEXT="record from tape">
+<node CREATED="1308029566615" ID="ID_556276329" MODIFIED="1308029574928" TEXT="use audacity; see past notes for level settings"/>
+</node>
+<node CREATED="1308026677784" ID="ID_1648985752" MODIFIED="1308026685770" TEXT="clean up with audacity">
+<node CREATED="1308026685771" ID="ID_459120789" MODIFIED="1308026700258" TEXT="audacity is the program, not the manner"/>
+<node CREATED="1308026706802" ID="ID_1699634498" MODIFIED="1308026713075" TEXT="trim start/end silence"/>
+<node CREATED="1308026714419" ID="ID_1001264827" MODIFIED="1308029476517" TEXT="mix medlies together"/>
+<node CREATED="1308029477098" ID="ID_1500686769" MODIFIED="1308029486279" TEXT="export each song to wav"/>
+</node>
+<node CREATED="1308029487832" ID="ID_1947474083" MODIFIED="1308029491696" TEXT="write rehearsal CD">
+<node COLOR="#cc6600" CREATED="1308029495194" ID="ID_447087451" MODIFIED="1308032916160" TEXT="cdrecord -v -pad -audio 01.wav 02.wav ..."/>
+<node CREATED="1308029535576" ID="ID_613573849" MODIFIED="1308029547144" TEXT="write version numbers on the CDs so people can tell new ones from old ones"/>
+</node>
+<node CREATED="1308029582227" ID="ID_1152418519" MODIFIED="1308029586094" TEXT="normalize levels">
+<node CREATED="1308032823969" ID="ID_1108138256" MODIFIED="1308032835484" TEXT="copy the wav files, then run this to update the copy in-place:"/>
+<node COLOR="#cc6600" CREATED="1308029586096" ID="ID_1785246294" MODIFIED="1308032914405" TEXT="normalize-audio -v --mix *.wav"/>
+</node>
+<node CREATED="1308035697078" ID="ID_936993193" MODIFIED="1308035697792" TEXT="pad">
+<node COLOR="#cc6600" CREATED="1308035756100" ID="ID_703560065" MODIFIED="1308035774527" TEXT="bin/musicPad (set LIGHT9_SHOW and config.n3 first)"/>
+<node CREATED="1308036241366" ID="ID_1455085859" MODIFIED="1308036249239" TEXT="then update config.n3 to point to the pad versions"/>
+</node>
+</node>
+<node CREATED="1308026505474" ID="ID_1715523774" MODIFIED="1308033150152" POSITION="right" TEXT="prep show data">
+<node CREATED="1308033151736" ID="ID_964851693" MODIFIED="1308033158173" TEXT="make music curves"/>
+<node CREATED="1308035395913" ID="ID_1365108727" MODIFIED="1308035399204" TEXT="make new show dir"/>
+<node CREATED="1308035400807" ID="ID_1854215452" MODIFIED="1308035419585" TEXT="copy previous year&apos;s data: config.n3, makefile, patch*">
+<node CREATED="1308035440009" ID="ID_779574958" MODIFIED="1308035482364" TEXT="the code parts of this ought to be pulled out so they&apos;re not in the show dirs at all"/>
+</node>
+<node CREATED="1308036115080" ID="ID_96013633" MODIFIED="1308036120978" TEXT="make a file URI with the show&apos;s uri"/>
+<node COLOR="#cc6600" CREATED="1308035427896" ID="ID_417435636" MODIFIED="1308035437068" TEXT="mkdir {curves,subs,subterms}"/>
+</node>
+<node CREATED="1308025628562" ID="ID_1787467578" MODIFIED="1308025638872" POSITION="right" TEXT="gather hardware">
+<node CREATED="1308033172463" ID="ID_1348172093" MODIFIED="1308033179265" TEXT="DMX output">
+<node CREATED="1308033180808" ID="ID_683953646" MODIFIED="1308033765400" TEXT="enttec usb DMX box"/>
+<node CREATED="1308033766076" ID="ID_44427029" MODIFIED="1308033774980" TEXT="dmx cable"/>
+<node CREATED="1308034066354" ID="ID_1236287455" MODIFIED="1308034067797" TEXT="usb cable"/>
+</node>
+<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>
+<node CREATED="1308033783333" ID="ID_1682972675" MODIFIED="1308033785051" TEXT="lights computer"/>
+<node CREATED="1308033785491" ID="ID_1716801702" MODIFIED="1308034038082" TEXT="networking">
+<node CREATED="1308034038571" ID="ID_633696775" MODIFIED="1308034040566" TEXT="switch"/>
+<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="1308034055896" ID="ID_1324716526" MODIFIED="1308034059404" TEXT="gaff tape"/>
+<node CREATED="1308034535960" ID="ID_410669289" MODIFIED="1308034540418" TEXT="wrench"/>
+</node>
+<node CREATED="1308025603854" ID="ID_449710320" MODIFIED="1308036283072" POSITION="right" TEXT="booth setup">
+<node CREATED="1308036283660" ID="ID_924034138" MODIFIED="1308036286766" TEXT="DMX"/>
+<node CREATED="1308036287320" ID="ID_1833057964" MODIFIED="1308036289968" TEXT="audio"/>
+<node CREATED="1308036290491" ID="ID_1499492868" MODIFIED="1308036294725" TEXT="microphones"/>
+<node CREATED="1308036295284" ID="ID_1376495150" MODIFIED="1308036310302" TEXT="headsets"/>
+</node>
+<node CREATED="1308036336797" ID="ID_259158351" MODIFIED="1308036375435" POSITION="right" TEXT="lighting setup">
+<node CREATED="1308036375436" ID="ID_1390142467" MODIFIED="1308036381948" TEXT="edit circuit names in patch"/>
+<node CREATED="1308036383903" ID="ID_1235409" MODIFIED="1308036401073" TEXT="make or reuse subs for specials">
+<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="1308036480166" ID="ID_870685852" MODIFIED="1308036482648" POSITION="right" TEXT="music playback setup"/>
+<node CREATED="1308036415296" ID="ID_1150744778" MODIFIED="1308036427802" POSITION="right" TEXT="make song curves"/>
+<node CREATED="1308036428398" ID="ID_385516867" MODIFIED="1308036434510" POSITION="right" TEXT="create effects"/>
+<node CREATED="1308036439909" ID="ID_1382829803" MODIFIED="1308036495991" POSITION="right" TEXT="run show">
+<node CREATED="1308036522399" ID="ID_315618444" MODIFIED="1308036534608" TEXT="use subcomposer and the sliders to run the specials between songs"/>
+<node CREATED="1308036495993" ID="ID_1890216887" MODIFIED="1308036544192" TEXT="curvecalc_all_subterms runs in a loop. Just kill curvecalc after each song to get the next song"/>
+</node>
+</node>
+</map>