Update readme

README.md

@@ -11,4 +11,18 @@ https://dl.fbaipublicfiles.com/demucs/hybrid_transformer/f7e0c4bc-ba3fe64a.th
 https://dl.fbaipublicfiles.com/demucs/hybrid_transformer/d12395a8-e57c48e6.th
 https://dl.fbaipublicfiles.com/demucs/hybrid_transformer/92cfc3b6-ef3bcb9c.th
 https://dl.fbaipublicfiles.com/demucs/hybrid_transformer/04573f0d-f3cf25b2.th
-https://dl.fbaipublicfiles.com/demucs/hybrid_transformer/75fc33f5-1941ce65.th
+https://dl.fbaipublicfiles.com/demucs/hybrid_transformer/75fc33f5-1941ce65.th
+
+
+> @misc{MUSDB18,
+>  author       = {Rafii, Zafar and
+>                  Liutkus, Antoine and
+>                  Fabian-Robert St{\"o}ter and
+>                  Mimilakis, Stylianos Ioannis and
+>                  Bittner, Rachel},
+>  title        = {The {MUSDB18} corpus for music separation},
+>  month        = dec,
+>  year         = 2017,
+>  doi          = {10.5281/zenodo.1117372},
+>  url          = {https://doi.org/10.5281/zenodo.1117372}
+>}