The Hot 100 the past four weeks, on the charts dated June 7, 14, 21 and 28, has been good for songs in the top 10, given their lofty peak positions. It’s less optimal for fans of upward movement in ...

Billboard’s rule changes have helped even older songs find new success, like Brenda Lee’s “Rockin’ Around the Christmas Tree,” which initially peaked at No. 14 on the Hot 100 in 1960 and ...