diff --git a/docker/conda-gpu.dockerfile b/docker/conda-gpu.dockerfile
index d25c675..10d7631 100644
--- a/docker/conda-gpu.dockerfile
+++ b/docker/conda-gpu.dockerfile
@@ -13,8 +13,11 @@ RUN apt-get update --fix-missing \
     && echo "conda activate base" >> ~/.bashrc \
     && ln -s /opt/conda/bin/conda /usr/bin/conda
 
+COPY audio_example.mp3 .
+
 RUN conda install -y -c conda-forge musdb
 # RUN conda install -y -c conda-forge museval
 RUN conda install -y -c conda-forge spleeter-gpu=1.4.5
 
+
 ENTRYPOINT ["spleeter"]
\ No newline at end of file
diff --git a/docker/conda.dockerfile b/docker/conda.dockerfile
index e340987..c40d0b7 100644
--- a/docker/conda.dockerfile
+++ b/docker/conda.dockerfile
@@ -1,9 +1,11 @@
 FROM continuumio/miniconda3:4.7.10
 
+RUN mkdir -p /model
+ENV MODEL_PATH /model
+COPY audio_example.mp3 .
+
 RUN conda install -y -c conda-forge musdb
 # RUN conda install -y -c conda-forge museval
 RUN conda install -y -c conda-forge spleeter=1.4.5
-RUN mkdir -p /model
-ENV MODEL_PATH /model
 
 ENTRYPOINT ["spleeter"]
\ No newline at end of file
diff --git a/docker/python-3.6-gpu.dockerfile b/docker/python-3.6-gpu.dockerfile
index 55245f2..3fe010b 100644
--- a/docker/python-3.6-gpu.dockerfile
+++ b/docker/python-3.6-gpu.dockerfile
@@ -45,11 +45,13 @@ RUN apt-get update \
     && apt-mark hold libcudnn7 \
     && rm -rf /var/lib/apt/lists/*
 
+RUN mkdir -p /model
+ENV MODEL_PATH /model
+COPY audio_example.mp3 .
 
 # Spleeter installation.
 RUN apt-get update && apt-get install -y ffmpeg libsndfile1
 RUN pip install musdb museval
 RUN pip install spleeter-gpu==1.4.5
-RUN mkdir -p /model
-ENV MODEL_PATH /model
+
 ENTRYPOINT ["spleeter"]
\ No newline at end of file
diff --git a/docker/python-3.6.dockerfile b/docker/python-3.6.dockerfile
index 1edc3de..7654ff1 100644
--- a/docker/python-3.6.dockerfile
+++ b/docker/python-3.6.dockerfile
@@ -1,8 +1,11 @@
 FROM python:3.6
 
+RUN mkdir -p /model
+ENV MODEL_PATH /model
+COPY audio_example.mp3 .
+
 RUN apt-get update && apt-get install -y ffmpeg libsndfile1
 RUN pip install musdb museval
 RUN pip install spleeter==1.4.5
-RUN mkdir -p /model
-ENV MODEL_PATH /model
+
 ENTRYPOINT ["spleeter"]
\ No newline at end of file
diff --git a/docker/python-3.7-gpu.dockerfile b/docker/python-3.7-gpu.dockerfile
index aa00e11..b94b84c 100644
--- a/docker/python-3.7-gpu.dockerfile
+++ b/docker/python-3.7-gpu.dockerfile
@@ -45,10 +45,13 @@ RUN apt-get update \
     && apt-mark hold libcudnn7 \
     && rm -rf /var/lib/apt/lists/*
 
+RUN mkdir -p /model
+ENV MODEL_PATH /model
+COPY audio_example.mp3 .
+
 # Spleeter installation.
 RUN apt-get update && apt-get install -y ffmpeg libsndfile1
 RUN pip install musdb museval
 RUN pip install spleeter-gpu==1.4.5
-RUN mkdir -p /model
-ENV MODEL_PATH /model
+
 ENTRYPOINT ["spleeter"]
\ No newline at end of file
diff --git a/docker/python-3.7.dockerfile b/docker/python-3.7.dockerfile
index 48de17c..223d0ed 100644
--- a/docker/python-3.7.dockerfile
+++ b/docker/python-3.7.dockerfile
@@ -1,8 +1,11 @@
 FROM python:3.7
 
+RUN mkdir -p /model
+ENV MODEL_PATH /model
+COPY audio_example.mp3 .
+
 RUN apt-get update && apt-get install -y ffmpeg libsndfile1
 RUN pip install musdb museval
 RUN pip install spleeter==1.4.5
-RUN mkdir -p /model
-ENV MODEL_PATH /model
+
 ENTRYPOINT ["spleeter"]
\ No newline at end of file