“First Class,” the second single from Kentucky rapper Jack Harlow’s album Come Home The Kids Miss You, is one of the biggest songs of 2022 so far, reaching No. 1 on the Hot 100 twice since its April release. One reason for the quick ascent: the familiarity of the chorus, which samples Fergie’s vocals from “Glamorous,” which also topped the Hot 100 back in 2007. Since Billboard began publishing the Hot 100 in 1958, nine songs have topped the chart more than once by different artists, like Little Eva’s 1962 original “The Loco-Motion” and Grand Funk Railroad’s 1974 cover. But as hip-hop began to take over the charts in the 1990s, sampling old hits has become the most notable method of reviving pop’s past. And in recent years, interpolations with replayed elements of old hits have kicked up a ...