Many moments from Sept. 17 have changed the hip-hop and R&B industry. On the same day, Jhené Aiko released "Bed Peace," featuring American actor and comedian Childish Gambino. Breakthrough Hits and MilestonesOn Sept. 17, a few notable albums were released:1991: Mariah Carey released Emotions, her second studio album, which debuted at No. Mariah Carey released Emotions, her second studio album, which debuted at No. MC Lyte dropped her third studio album, Act Like You Know, which stood out because of the rapper's shift from hardcore hip-hop to softer, R&B-influenced hits.