Each day, millions of music fans come to Genius to read lyrics and learn about their favorite artists—our Top Songs Chart reflects what the world is listening to all day, every day. With tons of fans flocking to Genius in 2018 to catch up on every line, our data tracks the artists, songs, and projects that music lovers cared about the most this year, measured from Dec. 16, 2017 through Dec. 15, 2018.