Music is one of the best ways for conveying and sharing emotions. The scientific community is developing systems for automatically classify songs with emotional-related tags or descriptors. However, several emotions can be perceived during the same song. For example, a song may start with a slow sad intro, and then continue with a melancholic verse, progress with an excitement crescendo up to an aggressive refrain and so on.
To participate in a study for understanding how to identify emotionally uniform segments in a song, that is, for dividing songs into segments with the same perceived emotion: