diff --git a/bin/subcomposer b/bin/subcomposer
--- a/bin/subcomposer
+++ b/bin/subcomposer
@@ -1,7 +1,6 @@
 #!bin/python
 
 from __future__ import division, nested_scopes
-import sys,os,time,atexit
 from optparse import OptionParser
 import Tkinter as tk
 import louie as dispatcher
diff --git a/light9/dmxchanedit.py b/light9/dmxchanedit.py
--- a/light9/dmxchanedit.py
+++ b/light9/dmxchanedit.py
@@ -134,6 +134,7 @@ class Levelbox(tk.Frame):
         self.levels = [] # Onelevel objects
 
         chans = list(self.graph.subjects(RDF.type, L9.Channel))
+        chans.sort(key=lambda c: int(self.graph.value(c, L9.output).rsplit('/c')[-1]))
         cols = 2
         rows = len(chans) // cols