Software for music retrieval and recommendation. It is able to classify music by genre and by elicited emotion. Besides, it is able to classify specific Brazilian music genres.

1. Virtuoso
Music Retrieval and Recommendation
Eanes Torres Pereira
eanes@computacao.ufcg.edu.br

2. Motivation
● Digital music consumption last year: 6.9 billion dollars
● Streaming: an important portion of revenue
○ Protection against copyright problems
○ A great source for user data mining
● The spread of smartphones: a key factor for streaming growth
● “The increase in mobile offerings has had a positive effect. Latest statistics
show that more than half of Spotify’s users are now streaming music on
mobile devices” (IFPI).
IFPI Digital Music Report 2015: http://www.ifpi.org/downloads/Digital-Music-Report-2015.pdf
2

3. Virtuoso - Our Capabilities
● Music classification by genre,
specialized in some Brazilian music
categories:
○ Disco;
○ Forró;
○ MPB;
○ Repente;
○ Rock;
○ Brega;
○ Sertanejo.
● Our overall accuracy: 79.7%
● Best accuracy by other systems: 81%
● Music classification by affective states:
○ Happy;
○ Romantic;
○ Funny;
○ Aggressive;
○ Moody,
○ Neutral.
● Overall accuracy: 58%
● Best accuracy by other systems: 64%
3

4. Try it: http://lvc.dsc.ufcg.edu.br/html/virtuoso-
demo/en/
4