diff --git a/README.md b/README.md
index b8f995e..83da04c 100644
--- a/README.md
+++ b/README.md
@@ -101,7 +101,6 @@ A collection of delicious docker recipes.
 - [x] alpine-arm :+1:
 - [x] apacheds
 - [x] aria2 :+1:
-- [x] audiowaveform
 - [x] cadvisor
 - [x] casperjs :+1:
 - [x] freegeoip
@@ -171,6 +170,11 @@ A collection of delicious docker recipes.
 - [x] youtube-dl
 - [x] youtube-worker :beetle:
 
+## Audio
+
+- [x] audiowaveform
+- [x] demucs
+
 ## Web
 
 - [x] discuz :cn:
diff --git a/demucs/Dockerfile b/demucs/Dockerfile
new file mode 100644
index 0000000..7480069
--- /dev/null
+++ b/demucs/Dockerfile
@@ -0,0 +1,25 @@
+#
+# Dockerfile for demucs
+#
+
+FROM continuumio/anaconda3:2020.11
+
+USER root
+
+WORKDIR /opt/demucs
+
+ENV PATH=/opt/conda/bin:$PATH
+
+RUN set -xe \
+    && apk add --no-cache curl tar \
+    && curl -sSL https://github.com/facebookresearch/demucs/archive/master.tar.gz | tar xz --strip 1 \
+    && conda env update -f environment-cpu.yml
+
+VOLUME /opt/demucs/models \
+       /opt/demucs/output \
+       /opt/demucs/input
+
+ENTRYPOINT [ \
+    "conda", "run", "--no-capture-output", "-n", "demucs", \
+    "python3", "-m", "demucs.separate", "--dl", "-n", "demucs", "-d", "cpu", "--models", "models", "--out", "output" \
+]
diff --git a/demucs/README.md b/demucs/README.md
new file mode 100644
index 0000000..c072a92
--- /dev/null
+++ b/demucs/README.md
@@ -0,0 +1,18 @@
+demucs
+======
+
+[Demucs][1] is based on U-Net convolutional architecture inspired by Wave-U-Net
+and SING, with GLUs, a BiLSTM between the encoder and decoder, specific
+initialization of weights and transposed convolutions in the decoder.
+
+## up and running
+
+```bash
+$ docker-compose run --rm demucs input/test.mp3
+```
+
+## comparison
+
+https://ai.honu.io/papers/demucs/
+
+[1]: https://github.com/facebookresearch/demucs
diff --git a/demucs/docker-compose.yml b/demucs/docker-compose.yml
new file mode 100644
index 0000000..beeead1
--- /dev/null
+++ b/demucs/docker-compose.yml
@@ -0,0 +1,8 @@
+version: "3.8"
+services:
+  demucs:
+    image: vimagick/demucs
+    volumes:
+      - ./models:/opt/demucs/models
+      - ./output:/opt/demucs/output
+      - ./input:/opt/demucs/input