diff --git a/renderlib.py b/renderlib.py
index 9b542cf..b0faa00 100644
--- a/renderlib.py
+++ b/renderlib.py
@@ -37,7 +37,12 @@ def easeDelay(easer, delay, t, b, c, d, *args):
 
 class Rendertask:
 	def __init__(self, infile, sequence, parameters={}, outfile=None, workdir='.'):
-		self.infile =  infile
+		if isinstance(infile, list):
+			self.infile =  infile[0]
+			self.audiofile = infile[1]
+		else:
+			self.infile =  infile
+			self.audiofile = None
 		self.sequence = sequence
 		self.parameters = parameters
 		self.outfile = outfile
@@ -153,7 +158,18 @@ def rendertask(task):
 	# invoke avconv aka ffmpeg and renerate a lossles-dv from the frames
 	#  if we're not in debug-mode, suppress all output
 	if task.outfile.endswith('.ts'):
-		cmd = 'cd {0} && ffmpeg -f image2 -i .frames/%04d.png -ar 48000 -ac 1 -f s16le -i /dev/zero -ar 48000 -ac 1 -f s16le -i /dev/zero -map 0:0 -c:v mpeg2video -q:v 0 -aspect 16:9 -map 1:0 -map 2:0 -shortest -f mpegts "{1}"'.format(task.workdir, task.outfile)
+		cmd = 'cd {0} && '.format(task.workdir)
+		cmd += 'ffmpeg -f image2 -i .frames/%04d.png '
+		if task.audiofile is None:
+			cmd += '-ar 48000 -ac 1 -f s16le -i /dev/zero -ar 48000 -ac 1 -f s16le -i /dev/zero '
+		else:
+			cmd += '-i {0} -i {0} '.format(task.audiofile)
+		cmd += '-map 0:0 -c:v mpeg2video -q:v 0 -aspect 16:9'
+		if task.audiofile is None:
+			cmd += '-map 1:0 -map 2:0 '
+		else:
+			cmd += '-map 1:0 -c:a copy -map 2:0 -c:a copy '
+		cmd += '-shortest -f mpegts "{0}"'.format(task.outfile)
 	else:
 		cmd = 'cd {0} && ffmpeg -ar 48000 -ac 2 -f s16le -i /dev/zero -f image2 -i .frames/%04d.png -target pal-dv -aspect 16:9 -shortest "{1}"'.format(task.workdir, task.outfile)
 
diff --git a/subscribe/__init__.py b/subscribe/__init__.py
index 64f5eb2..b295ef2 100644
--- a/subscribe/__init__.py
+++ b/subscribe/__init__.py
@@ -98,7 +98,7 @@ def pauseFrames(p):
 
 def debug():
 	render(
-		'intro.svg',
+		['intro.svg', 'intro_audio.ts'],
 		'../intro.ts',
 		 introFrames,
 		{
@@ -127,8 +127,8 @@ def tasks(queue, args):
 
 		# generate a task description and put them into the queue
 		queue.put(Rendertask(
-			infile = 'intro.svg',
-			outfile = str(event['id'])+".ts",
+			infile = ['intro.svg', 'intro_audio.ts'],
+			outfile = str(event['id']) + ".ts",
 			sequence = introFrames,
 			parameters = {
 				'$id': event['id'],
diff --git a/subscribe/artwork/gen_frames b/subscribe/artwork/gen_frames
index 3c509ed..0521c7b 100644
--- a/subscribe/artwork/gen_frames
+++ b/subscribe/artwork/gen_frames
@@ -1 +1,2 @@
 ffmpeg -i session_opener-25fps.mp4 given-frames/frame%04d.png
+ffmpeg -i session_opener-25fps.mp4 -map 0:a -ar 48000 -ac 1 -f s16le  -shortest -f mpegts intro_audio.ts