diff --git a/crontab.txt b/crontab.txt
index 9e90deb..00c9bf0 100644
--- a/crontab.txt
+++ b/crontab.txt
@@ -25,9 +25,7 @@
 
 # */5 * * * * /home/foam/ephemeral-garden/check.sh >> /home/foam/ephemeral-garden/test.log 2>&1
 * 07 * * * /home/foam/ephemeral-garden/morning.sh >> /home/foam/ephemeral-garden/test.log 2>&1
-* 22 * * * /home/foam/ephemeral-garden/evening.sh >> /home/foam/ephemeral-garden/test.log 2>&1
+* 23 * * * /home/foam/ephemeral-garden/evening.sh >> /home/foam/ephemeral-garden/test.log 2>&1
 
 # in root's crontab. check timing
-# 0 4   *   *   *    /sbin/shutdown -r now
-
-
+# 0 4   *   *   *    /sbin/shutdown -r +5
diff --git a/ephemera-2CH.sc b/ephemera-2CH.sc
new file mode 100644
index 0000000..b21482c
--- /dev/null
+++ b/ephemera-2CH.sc
@@ -0,0 +1,126 @@
+///// // / /    /   / / /     /
+//
+// supercollider tests
+//
+////// /  /
+
+
+"e p h e m e r a l   g a r d e n".postln;
+
+
+// sc server
+s = Server.local;
+//s.options.memSize = 1024 * 1024;
+//s.options.maxNodes = 1024 * 1024;
+//s.options.numBuffers  = 1024 * 1024 * 1024;
+//s.latency = 0.05;
+s.options.sampleRate = 44100;
+s.boot;
+
+"...".postln;
+
+Routine {
+    // quantise to 10 second boundaries
+    ("now -> " ++ Date.gmtime.second).postln;
+    (10-Date.gmtime.second.mod(10)).wait;
+    "sync?...".postln;
+}.play;
+
+// time of day - see AppClock for scheduling
+
+~now=Date.gmtime;
+
+// dont trust the clock if it's n 1970 (not ntp synced)
+if ( ~now.year == 1970,
+	{"previously".postln;},
+	{"post 1970".postln;}
+);
+
+~now.postln;
+
+~prefix = Platform.userHomeDir ++ "/snd/";
+
+~background = {
+
+    "background >> ".post;
+
+    // list of soundfiles
+   ~sources = [
+        "ephemera-20180520-2ch-12.wav"
+    ];
+
+    // select random element from the list
+    ~file = ~sources.choose;
+    ~file.postln;
+
+    // cue stereo file from disk then play
+	b=Buffer.cueSoundFile (server: s, path: ~prefix++~file, numChannels: 2); ~play1.value(b);
+};
+
+~foreground = {
+
+    "foreground >> ".post;
+
+    // list of soundfiles
+    ~sources = [
+        "26-multilayered-conversations-01.wav",
+        "26-multilayered-conversations-02.wav",
+        "39-incomprehensible-restaurtant-chatter-02.wav",
+        "39-incomprehensible-restaurtant-chatter-03.wav",
+        "39-incomprehensible-restaurtant-chatter-04.wav",
+        "26-party-chatter-02.wav",
+        "26-party-chatter-03.wav",
+        "26-party-chatter-04.wav",
+        "06-uw-pebbles-urchins-waves.wav",
+        "17-uw-waves-crashing-on-pebble-beach-slow.wav"
+    ];
+
+    // select random element from the list
+    ~file = ~sources.choose;
+    ~file.postln;
+
+    // read file then play buffer
+    Buffer.read (server: s, path: ~prefix++~file, action: ~play2);
+};
+
+~play1 = { arg b1;
+    Routine {
+        "~play [bg - ".post; b1.path.post; "]".postln;
+
+        {DiskIn.ar(2, b1, loop: 0)}.play.waitForFree;
+        // free buffer once done? check diskin completion state
+
+        "freed [bg - ".post; b1.path.post; "]".postln;
+        b1.free;
+	~background.value;
+    }.play;
+};
+
+~play2 = { arg b2;
+    Routine {
+        "~play [fg - ".post; b2.path.post; "]".postln;
+
+        {(PlayBuf.ar(1, b2, rate: 1, loop: 0, doneAction: 2) * 0.1).dup }.play.waitForFree;
+        // free buffer once done?
+
+        "freed [fg - ".post; b2.path.post; "]".postln;
+        b2.free;
+        ~foreground.value;
+    }.play;
+};
+
+
+s.waitForBoot {
+    "booted...".postln;
+
+    i = 0;
+    j = 0;
+    p = 1; // how many background layers?
+    q = 0;  // how many foreground layers?
+
+    while ( { i < p }, { i = i + 1; ~background.value;});
+    while ( { j < q }, { j = j + 1; ~foreground.value;});
+
+};
+
+// 167/31 -> 175/31 -> 168/31
diff --git a/ephemera-loop.sc b/ephemera-loop.sc
new file mode 100644
index 0000000..59fc983
--- /dev/null
+++ b/ephemera-loop.sc
@@ -0,0 +1,45 @@
+///// // / /    /   / / /     /
+//
+// basic soundfile looper
+//
+////// /  /
+
+"e p h e m e r a l   g a r d e n".postln;
+
+// sc server
+s = Server.local;
+//s.options.memSize = 1024 * 1024;
+//s.options.maxNodes = 1024 * 1024;
+//s.options.numBuffers  = 1024 * 1024 * 1024;
+//s.latency = 0.05;
+s.options.sampleRate = 44100;
+s.boot;
+
+"...".postln;
+
+~play1 = { arg b1;
+    Routine {
+        // quantise to 10 second boundaries
+        ("now -> " ++ Date.gmtime ++ " -> " ++ Date.gmtime.second).postln;
+        (10-Date.gmtime.second.mod(10)).wait;
+        "sync?...".postln;
+        "~play [bg - ".post; b1.path.post; "]".postln;
+
+        {DiskIn.ar(2, b1, loop: 1)}.play.waitForFree;
+        // free buffer once done? check diskin completion state
+
+        "freed [bg - ".post; b1.path.post; "]".postln;
+        b1.free;
+    }.play;
+};
+
+
+s.waitForBoot {
+    "booted...".postln;
+    ~file = Platform.userHomeDir ++ "/snd/" ++ "ephemera-20180520-2ch-12.wav";
+
+    // cue stereo file from disk then play
+    b=Buffer.cueSoundFile (server: s, path: ~file, numChannels: 2); ~play1.value(b);
+};
+
+// 167/31 -> 175/31 -> 168/31
diff --git a/setup.sh b/setup.sh
index fed5900..99b3f84 100755
--- a/setup.sh
+++ b/setup.sh
@@ -1,7 +1,5 @@
 #!/bin/bash
 
-# via -> http://sc3howto.blogspot.be/2015/04/how-to-keep-installation-running-on.html
-
 export DISPLAY=:0
 #export DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1001/bus
 #export XDG_RUNTIME_DIR=/run/user/1001
@@ -13,14 +11,16 @@ echo "ephemeral: ------------------------------------------------------------"
 echo "ephemeral: `/bin/date`"
 echo "ephemeral: as user `whoami`"
 #echo "ephemeral: with env -> `env`"
-echo "ephemeral: waiting..."
 
+echo "ephemeral: scythe..."
+
+killall sclang
 sleep 5
 
 echo "ephemeral: sclang starting..."
 
 #runuser -l foam -c  'screen -S test -m -d /usr/local/bin/sclang /home/foam/ephemeral-garden/sc3-test.sc >> /home/foam/ephemeral-garden/test.log 2>&1'
 
-/usr/local/bin/sclang /home/foam/ephemeral-garden/sc3-test.sc 2>&1 >> /home/foam/ephemeral-garden/test.log
+/usr/local/bin/sclang /home/foam/ephemeral-garden/ephemera-2CH.sc 2>&1 >> /home/foam/ephemeral-garden/test.log
 
 echo "ephemeral: sclang spawned..."