I Knew You Were Trouble
By: Kaitlin Word, Macy Wall, & Kylie Hill
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Below is the lyric video for I Knew You Were Trouble
Taylor Swift - I Knew You Were Trouble LYRICS
A guitar has different strings, which means different notes and frequencies. Each note can have a relationship , for example, if you apply the same pressure to a note on one string, then move down on the same string it will be proportional to the first note.
Western music notes are based on natural harmonics that are created by a ratio of frequencies. It is a series of numbers in which each number is the sum of the two preceding numbers.
Digital music sales
For the first time since ITunes opened, the sales have never gone down until 2013. Last year was the first time the digital music sales dropped. They were at $1.26 billion and they went down to $165.4 million.