The graph module uses GraphViz to draw graphs. Here are some examples I've put together, but much fancier thinges are possible. See http://www.research.att.com/sw/tools/graphviz/refs.html for GraphViz documentation, and see http://www.research.att.com/sw/tools/graphviz/examples/ for some examples.
This album is ridiculous(ly awesome) https://open.spotify.com/album/5GHLXH6qgXR4Gq10bmFfEo …
I don't like computer making random sound from unknown app. Maybe PulseAudio has a playback log
today I learned of `echo $RANDOM` and hence `echo $((RANDOM % 100))`