Conversation so far:
what happened in 2011?
On November 11, 2011, it was revealed that Vampire Weekend had been in the studio, writing and recording material for their third album
when did Vampire Weekend release the album?
Modern Vampires of the City by vampire weekend was released in May 2013
was the album Modern Vampires of the City by vampire weekend was released in May 2013 a success?
the album Modern Vampires of the city by vampire weekend debuted at #1 on the Billboard chart
how many copies the album Modern Vampires of the city by vampire weekend debuted at #1 on the Billboard chart were sold?
By December 2014, the album Modern Vampires of the city by vampire weekend had sold 505,000 copies in the US
what other album did the band vampire weekend make besides Modern vampires of the city?
the albums Vampire Weekend, Contra and Father of the Bride
what happened in 2014 to the band Vampire weekend?
In 2014, Modern Vampires of the City won a Grammy for Best Alternative Music Album
what other award did the album modern vampires of the city win besides the grammy for best alternative music album in 2014?
a diamond certification from the Independent Music Companies Association

Question: what is the name of one of their members?
Self-contained rewrite: what is the name of one of the band vampire weekend members?