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Making sound from the sentiment of Tweets

13 Jun 2015

This a write up of a hack I originally co-authored as "Noisy Tweets" with Mark Ormesher, Fares Alaboud and Kristin Kasavetova at MLH Launch Hack.

Noisy Tweets is an application created in 24 hours that takes in a keyword as input, live-streams all tweets containing that keyword, analyses how happy or sad (sentiment) the tweets are, and plays different musical notes depending on how happy or sad the tweets are.

The happier the general discussion, the higher the pitch of each note; the more tweets there are, the faster the notes play.

I eventually refactored it into a live web application: listentotwitter.com.

Screenshot from listentotwitter.com
Screenshot from listentotwitter.com.

The backend of the web application is written in Python, using Flask for the web server, TextBlob for sentiment analysis, and socket.io for real-time client communication.

Admittedly, it sounds pretty bad from a musical perspective. It sounds a bit like the "world's ugliest music". Regardless, it was a fun experiment. There are perhaps way to make it sound more musical, but I don't know much about making music that sounds good.