Only 78 songs have debuted at No. 1 in the history of the Billboard Hot 100 — here they all are Only 78 songs have debuted atop the Billboard Hot 100 since the chart was launched in 1958. "Fortnight" by Taylor Swift, featuring Post Malone, is the most recent song to achieve this. Listen to the ... 04/29/2024 - 6:36 am | View Link