Teenage singer performs 'Flashing Lights' and 'Heavenly Father' live
New single described as "moody, dark and powerful" by recording studio owner
Singer's last album, 'Pure Heroine', was released last year
17-year-old beats Arctic Monkeys and The Black Keys to the prize
Band also state their influences as Fugazi, Bloc Party and Battles
Singer admits her new songs sound too much like her debut album
The singer will work on the music for the third instalment of the film adaptation
The Major Lazer man has offered up his own twist on the 2013 single
The 17-year-old singer also discusses internet rumours about herself
New Zealand based singer played with Dave Grohl and Krist Novoselic earlier this year