The Billboard Hot 100 singles chart measures the top songs every week during the tracking week of Friday through Thursday based on their combination of sales, online streams (audio and video), and ...

The Billboard Hot 100 is widely considered to be the definitive all-genre singles chart in the US. Since it was launched in 1958, well over 1,000 songs have reached the coveted No. 1 spot ...

a relatively select few smashes have led the Billboard Hot 100 for at least 10 weeks. How few? Just a mere 4% of all Hot 100 No. 1s dating to the chart’s launch on Aug. 4, 1958, have earned the ...