From e41f4ce648bc615a468f8f0c040494220af36ddc Mon Sep 17 00:00:00 2001
From: Michael Scott Cuthbert <cuthbert@mit.edu>
Date: Wed, 25 Nov 2015 11:42:21 -0500
Subject: [PATCH] join bytes with bytes

---
 music21/audioSearch/recording.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/music21/audioSearch/recording.py b/music21/audioSearch/recording.py
index 1b186f879f..b5ac2b16b1 100644
--- a/music21/audioSearch/recording.py
+++ b/music21/audioSearch/recording.py
@@ -100,7 +100,7 @@ def samplesFromRecording(seconds=10.0, storeFile=True,
         else:
             waveFilename = environLocal.getRootTempDir() + os.path.sep + 'recordingTemp.wav'
         ### write recording to disk
-        data = ''.join(storedWaveSampleList)
+        data = b''.join(storedWaveSampleList)
         try:
             wf = wave.open(waveFilename, 'wb')
             wf.setnchannels(recordChannels)