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 Album of the Year
As of 2018, only six artists have won Album of the Year more than once as the main credited artist: Frank Sinatra (1960, 1966, 1967), Stevie Wonder (1974, 1975, 1977), Paul Simon (1976, 1987), U2 (1988, 2006), Taylor Swift (2010, 2016) and Adele (2012, 2017). Sinatra and Wonder both won the award three times as the main credited artist.