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.
Joni Mitchell
Mitchell has received nine Grammy Awards during her career (eight competitive, one honorary), the first in 1969 and the most recent in 2016. She received a Grammy Lifetime Achievement Award in 2002, with the citation describing her as "one of the most important female recording artists of the rock era" and "a powerful influence on all artists who embrace diversity, imagination and integrity".