Day 008 — 20 Years Wrapped pt. I

Interactive visualization of 20 years of listening history (2006–2025), built from enriched data across Last.fm, Spotify, ListenBrainz, MusicBrainz, and Discogs.

Visualizations

Genre Timeline (Streamgraph)

Normalized stacked area chart showing genre proportions per year. Toggle between 17 detail genres and 8 grouped super-categories. Peak dots mark each genre's highest-share year with top 3 artists on hover.

Artist Similarity Network

Force-directed graph of 3,269 artists connected by Last.fm similarity (4,977 edges). Node size = play count, color = genre. Filterable by min plays and min similarity weight.

Credits Network

Producer, remix, and collaboration connections between the top 500 most-played artists via Discogs credits. Hover/click highlights direct connections. Color-coded by role (Remix, Producer, Featuring, etc.).

Data pipeline

Source: projects/day-002-music-charts/data/music.duckdb

• Genre mapping: Discogs styles > Last.fm tags > Spotify genres, normalized to 17 categories
• Non-music filtering: audiobooks, Hörspiele, children's content excluded
• Audio features from AcousticBrainz (BPM, danceability, mood)

Stack

D3.js v7, vanilla JS/CSS, data pre-extracted as JSON from DuckDB.