From Teddy Swims to Chappell Roan, the Billboard Hot 100 is dominated by songs that were released over a year ago. How did this become the new normal?

How did Leo33 take singer Zach Top, the independent label's very first signing, to breakout chart success with "I Never Lie"?

In light of Taylor Swift now owning her masters , we look at songs from her full discography that have taken No 1 on the ...