NBC will air 30-minute Arcade Fire special on September 28 to celebrate band's new album 'Reflektor'
One fan wrote he felt "used" by the commercial promotion of the album
Frontman confirms 'voodoo rhythms' of Haiti and Jamaica have informed the band's new material
Singer also reveals that a handful of songs on the album pass the seven-minute mark
The band also celebrate the release of the 'Reflektor' single with a surprise fancy dress show in Montreal
The black and white video features a man in a mirrorball suit and the band in oversized papier-mâché heads
The video was produced by the band's long-time collaborator Vincent Morisset
Band are rumoured to be playing live in Montreal jazz bar tonight, as alleged album cover and tracklist leaks
James Murphy-produced track was due to be unveiled tomorrow (September 9)
The band played the intimate set earlier this week