Give me a list of the last five "best rap song" Grammy winners (just tell me the song name and the performing artist).

1. The Heart Part 5 by Kendrick Lamar, 2023
2. Jail by Kanye West featuring Jay-Z, 2022
3. Savage by Megan Thee Stallion featuring Beyoncé, 2021
4. A lot, 21 Savage featuring J. Cole, 2020
5. God's plan, Drake, 2019