diff --git a/multispectro/assemble_images.py b/multispectro/assemble_images.py
--- a/multispectro/assemble_images.py
+++ b/multispectro/assemble_images.py
@@ -9,7 +9,7 @@ import numpy as np
 for songname in [
         '01-guest',
         '02_dancing_happy',
-        '03-bear-trim',
+        '03-bear-trim2',
         '03-bear',
         '04-disneyswing',
         '05-encanto',
diff --git a/src/light9/collector/service.py b/src/light9/collector/service.py
--- a/src/light9/collector/service.py
+++ b/src/light9/collector/service.py
@@ -124,7 +124,7 @@ def main():
             #           port=6445,
             #           rate=rate),
             #sudo chmod a+rw /dev/bus/usb/003/021
-            Udmx(L9['output/dmxA/'], bus=bus, address=usbAddress, lastDmxChannel=200, rate=RATE),
+            Udmx(L9['output/dmxA/'], bus=bus, address=usbAddress, lastDmxChannel=40, rate=RATE),
         ]
     except Exception:
         log.error("setting up outputs:")