Musician and fan of HBO series also met writer, George RR Martin at San Diego event
The Canadian electronic artist contributes guest vocals to 'Take Me Away'
The song is a 2009 collaboration with Devon Welsh of Majical Cloudz
The track was reportedly originally written for Rihanna
One of the trio of songs was written for Rihanna but was rejected by the star
Canadian artist is to premiere the track in New York this weekend
US rapper recently signed Canadian artist to his Roc Nation management roster
Canadian musician reveals prospective release date with fan on Twitter
Singer joins rapper's entertainment company
Songs by Paramore, Mariah Carey, Portishead and MIA also make the list
US band say singer-songwriter is "not vegan" after she admits to eating ice cream
Singer is scheduled to play private show this week
Singer's rider bans styrofoam and asks for 'local, organic food wherever possible'
Grimes also salutes Beyonce's artistry, saying her stage show works on several different levels
The singer/producer will be joined by designer Rachel Antonoff
Canadian singer endures angry audience reaction to appearance at Boiler Room party
"I don't want to be infantilised because I refuse to be sexualised" she writes
Electro-pop artist says she wants the follow-up to 'Visions' to 'sound professional'
Singer claims it would be her 'dream' to direct a new version of the '80s film
Claire Boucher also praised Psy and Mariah Carey on her Tumblr account