Below is an analysis of Taylor Swift lyrics using different sentiment libraries.
First, here is a count of tokens per album:

Below is the Bing sentiment analysis of Taylor Swift’s albums. An interesting trend is that when she releases Taylor’s Versions, she tries to balance positive and negative sentiment compared to the original album

Broadly, as the amount of songs increases, the biases of removing context in bag of words is minimized. As evidenced by 1989, which has the song “Shake It Off”.
