Last night at the 55th Grammy Awards, Gotye and Kimbra won the Record of the Year for “Somebody That I Used to Know”, while Mumford & Sons won the Album of the Year for Babel. Dan Auerbach won the most awards during the ceremony, with four (three as part of The Black Keys). Wikipedia has the full list of nominees and winners.
Sir Georg Solti, a composer, has the most all-time Grammy Award wins with 31. Contemporary artists Quincy Jones and Alison Krauss are tied with 27 awards each. The group with the most Grammy Awards is U2, with 22.