The Billboard Hot 100 is the ultimate chart in the United States, and a major indicator of success in the music industry. Many artists have had several no. 1 singles in other charts, but to get to the top spot of the Hot 100 is not easy. We know that not all music artists are songwriters, and that many of their hit songs are in fact written by other people.
But who are these successful songwriters who managed to get so many no. 1 singles on the Billboard Hot 100? Click on to find out.