This piece was created in partnership with Afro Nation. Billboard and Afro Nation recently launched the first-ever official Billboard Afrobeats U.S. Songs Chart, tracking the most popular rising new music in the rapidly growing genre. The 50-position Billboard U.S. Afrobeats Songs chart, which went live last month on Billboard.com, ranks the most popular Afrobeat songs in the country based on a weighted formula incorporating official-only streams on both subscription and ad-supported tiers of leading audio and video music services, plus download sales from top music retailers. When alté music, a genre defined by its inability to be conclusively defined as it moves through different genres and maintains a highly experimental form, began to enter mainstream Afrobeats music in the late 2010s,...