There is a recognizable rhythm throughout the song but it changes during the song. Many percussion instruments were used in this song. Among these instruments used are the piano and the drums. The piano can also be used as a stringed instrument. It also includes a saxophone and a guitar. There are percussion instruments used in Bad Blood. There are drums and a synthetic piano. Blank Space is classified as program music because there is an additional musical idea needed to analyze these songs. To fully understand the song, you need to know that it comments on the representation of her in the media. The program is therefore his mockery of the stories that are told about him in the press. This is accomplished by incorporating into the song many of the things she hears said about her in the press. Bad Blood on the Hand would not be classified as a strophic song despite the fact that there is a musical extra necessary to understand the song, but Bad Blood has a music video that expresses this musical extra.