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.
List of people who have won Academy, Emmy, Grammy, and Tony Awards
Jonathan Tunick (born 1938), a composer, conductor, and music arranger, received his fourth distinct award in 1997. Between 1977 and 1997, Tunick received a total of four awards. Tunick is the first Grand Slam winner to have won an Emmy as their second award as well as the first to win the Tony as their fourth award. He is also the second person (after Audrey Hepburn) to not win any multiple awards in any of the four award fields.