Update dependencies.

README.md

@@ -65,6 +65,7 @@ sudo apt install \
     git \
     python3.7 python3.7-pip python3.7-dev \
     redis-server \
+    libsndfile1 ffmpeg \
     liquidsoap liquidsoap-plugin-icecast \
     mariadb-server libmariadbclient-dev \
     quelcom \

requirements.txt

@@ -12,4 +12,5 @@ redis==3.4.1
 mutagen==1.44.0
 validators==0.12.1
 simplejson==3.17.0
-accessify==0.3.1
\ No newline at end of file
+accessify==0.3.1
+librosa==0.7.2
\ No newline at end of file