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music-structure

A web application that connects with a user's spotify to show visualizations of the structure of music.

The visualization consists of 6 separate modules each showing distinct musical concepts:

  • A repetitive structure visualization, displaying a decomposition of the song into sections, grouped by their harmonic sequential similarity.
  • A tempo graph, showing the change, or stability of a song’s tempo over time.
  • A unique timbre visualization, showing both segmentation in terms of instrumentation, and gradual timbral changes.
  • An event visualization, showing and characterizing moments of timbral anomalies across the song.
  • A tonality visualization, showing the large-scale changes in musical key.
  • A chord visualization, showing the small scale structure of chord progressions.

More information

Research Paper

tool_image

Setup

npm install

The project is separated into a server and client. Both of which are node packages. The server package.json is located at the root, and the client package.json is in the client directory. Make sure npm is installed and run the following bash commands:

npm install
cd client && npm install

environment variables

In the root directory create a .env file. And add the following variables:

Temporary

NODE_ENV=development

SPOTIFY_CLIENT_ID=<specified on spotify api account>
SPOTIFY_CLIENT_SECRET=<specified on spotify api account>
SPOTIFY_REDIRECT=http://localhost:8080/callback

HOST_URL=http://localhost
SERVER_PORT=5000
PORT=5000

In the client directory also create a .env file and add the folloring variables:

NODE_ENV=development

SERVER_PORT=5000
VUE_APP_HOST_URL=http://localhost:${SERVER_PORT}

Running the app

To run the app locally, open 2 terminals at the project root level, one will be the client, and one the server:

Terminal 1:

npm run client

Terminal 2:

npm run server