Singer filmed lo-fi clips for "World Princess Part II," "Butterfly," "Scream," "Belly of the Beat" during European tour
Chance the Rapper, the 1975, Cage the Elephant, Grimes, Metric, Pusha T and more booked for inaugural fest in October
Purity Ring's Megan James, model Eric Cheng make cameos in vivid clip
Budding pop star jumps between guitar, sampler, microphone, dancefloor in stunning 'Tonight Show' performance
Art-pop star also talks music-industry sexism, tattoo regret, getting advice from Jay Z
Montreal artist draws from comic books and crime dramas in new self-directed clip
Montreal singer-producer also releases track list for upcoming album, 'Art Angels'
The singer wields swords and crosses deserts in her Korn-inspired take on the epic poem
'SNL"s Vanessa Bayer stars in the insane new clip, which also features cameos from Kesha, A$AP Rocky and Vampire Weekend's Ezra Koenig
Canadian singer makes first American TV appearance
Canadian electronic artist plays 'Genesis'