https://www.metopera.org/about/press-releases/mezzo-soprano-jamie-barton-wins-the-2017-beverly-sills-artist-award/
Mezzo-Soprano Jamie Barton Wins the 2017 Beverly Sills Artist Award | Metropolitan Opera
mezzo sopranojamie bartonbeverly sillsartist awardmetropolitan opera
https://www.encyclopedia.com/people/literature-and-arts/music-history-composers-and-performers-biographies/beverly-sills
Beverly Sills | Encyclopedia.com
Beverly Sills [1] Operatic soprano For the Record… [2] Writings [3] Selected discography [4] Sources [5] She may have retired a decade ago, but Beverly Sills...
beverly sillsencyclopedia