outgoing streaming can be considered as stable. possible formats: aac, flac, mp3, ogg, opus

requirements.txt

 Flask==0.12.2
-Flask-Babel==0.11.2
 Flask-SQLAlchemy==2.3.2
-mysqlclient==1.3.7
+mysqlclient==1.3.12
 redis==2.10.6
-simplejson==3.11.1
+simplejson==3.13.2
 mutagen==1.40
-python-dateutil==2.6.0
 validators==0.12.1