The result is often a piece that fascinates us because of how the writer moves between conflicting elements. Hybrid writers mix fact and fiction; poetry and prose; memoir and history; biography and memoir.
Choral reading is reading aloud in unison with a whole class or group of students. Choral reading helps build students' fluency, self-confidence, and motivation.
The main difference here is that Pandora's data is generated by humans, while the Echo Nest (Spotify) does it automatically. Both approaches have their merits: it's possible that Pandora has higher quality data, but it's certain that the Echo Nest has far more data than Pandora.