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.
Racism in Grammy Awards
Since the inception of the Grammys in 1957, ten black artists have won the Album of the Year Award. From 1990-2006, 8 of the winners and 26 nominees were non-white including 6 black winners. From 2007-2017, there were 17 non-white artists nominated for Album of the Year, with the only winner being Herbie Hancock in 2008, whose album was a collection of Joni Mitchell folk covers. In 2018 and 2019, 9 of the 13 nominees were non-white including 8 black nominees.