Alison Krauss
As of 2018, she has won 27 Grammy Awards from 42 nominations, tying her for the second most awarded recipient alongside Quincy Jones, second only to classical conductor Georg Solti, who holds the record for most wins with 31. She is the most awarded singer and the most awarded female artist in Grammy history.
Grammy Award for Best Rap Album
As of 2017, Eminem holds the record for the most wins in this category, with six. Lauryn Hill is currently the only female artist to win in this category, when she won in 1997 with the Fugees. Kanye West was presented the award four times, and the duo known as Outkast received the award twice. Jay-Z holds the record for the most nominations, with eleven. Drake became the first non-American winner in this category when he won in 2013. The Roots have received the most nominations without a win, with five. Eminem and West are the only artists to win the award in consecutive years, with Eminem achieving the feat twice. In 2016, Drake's "If You're Reading This It's Too Late" became the first mixtape to get nominated for the award. In 2017, Chance the Rapper's "Coloring Book" became the first mixtape to win the award.