Answer
"A Lot" by 21 Savage won the Grammy Award for Best Rap Song in 2019. The song was written by 21 Savage, Metro Boomin, and Offset, and produced by Metro Boomin. The song was released in 2018 as the lead single from 21 Savage's third studio album, I Am > I Was. The song was a commercial success, reaching number one on the Billboard Hot 100 chart.