I like all kinds of music, but I am first and foremost a metalhead, and many years ago, I thought it'd be fun to map connections between different metal bands using info from the Encyclopedia Metallum website.
To do so, I created some Python scripts using the requests library and Selenium (and BeautifulSoup for parsing), and then d3 to view the bands and relationships as graphs. Related blog post
For fun, I also created a custom React component in Retool using Sigma.js to render input JSON graph data.