[Answered ]-Problems with mp3 streaming using django

Did you read the comments on http://djangosnippets.org/snippets/365/? Try:

For people on Windows you’ll need to specify "read binary" mode for anything other than a text file:

wrapper = FileWrapper(file(filename), "rb")

or

Got this working with a few tweaks:

wrapper = FileWrapper(open(filename, ‘rb’))