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.
Emmylou Harris
Emmylou Harris (born April 2, 1947) is an American singer, songwriter, and musician. She has released dozens of albums and singles over the course of her career and won 14 Grammys, the Polar Music Prize, and numerous other honors, including induction into the Country Music Hall of Fame. In 2018 she was presented the Grammy Lifetime Achievement Award.
Her work and recordings include work as a solo artist, a bandleader, an interpreter of other composers' works, a singer-songwriter, and a backing vocalist and duet partner. She has worked with numerous artists.