Use different figure syntax and local copy of image

Author: justinsalamon

book/data/musdb18.ipynb

@@ -27,8 +27,10 @@
     "As its name suggests, the \"other\" stem contains all other sources in the mix that are not the drums, bass or vocals (labeled as \n",
     "\"accompaniment\" in the diagram below):\n",
     "\n",
-    "<img src=https://sigsep.github.io/assets/img/musheader.41c6bf29.png><br/>\n",
-    "Image source: [https://sigsep.github.io/](https://sigsep.github.io/)\n",
+    ":::{figure,myclass} fig-musdb18\n",
+    "<img src=\"../images/data/musdb18.png\" alt=\"musdb18\" class=\"bg-primary mb-1\" height=\"300px\">\n",
+    "The MUSDB18 dataset.\n",
+    ":::\n",
     "\n",
     "All audio signals in the dataset are stereo and encoded at a sampling rate of 44.1 kHz. The mixture signal is identical to the sum of the stems.\n",
     "\n",
@@ -514,7 +516,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.5"
+   "version": "3.7.9"
   }
  },
  "nbformat": 4,