Spotifyzer

Analyze a Spotify user's library and listening habits
~~View live site here (please be patient while Heroku wakes up)~~ down temporarily - please see demo below instead
Relies on a Rails API back end (repo)
Video demo

Features

Authorizes users through Spotify's Web API Authorization to access a user's saved tracks
Provides basic overview of saved library
Users are able to view their top artists and top tracks (determined by Spotify's affinity measure) over three time ranges: past 4 weeks, past 4 months, or past several years
Utilizes d3.js to provide interactive visualizations for:
- User's 50 most recently played tracks, grouped by hour in a bar chart
- Genres of all saved artists, displayed in a bubble chart
Embedded Spotify player allows users to listen to artists and tracks directly on the page
Redux provides persistent state across all app pages