Jeff Buckley biopic is set to open in theaters today
'We were trying to capture lightning in a bottle,' he says
'It would have been hard to do without live performance,' says Badgley
Includes Penn Badgley's rendition of 'Once I Was'
'He was a weirdo,' says actor Penn Badgley, 'this erratic, ecstatic, beautiful, strange thing'
Fighting hype and the weight of his father's legend, Jeff Buckley finds his own voice on 'Grace'
Singer-songwriter who honed a distinct hybrid of folk, jazz and rock died in L.A. on June 29th