Sia-penned ballad first appeared in latest trailer for 'Star Trek Beyond'
'Spring Breakers' director Harmony Korine helms gritty clip
Singer goes solo in simple, black-and-white clip
Pop star's faithful take on rock band's "New Person, Same Old Mistakes" appears on 'Anti'
The Barbadian singer-songwriter released her 8th studio album for free as a gift to her fans
