Stefan Gordy was attacked during night out on Sydney
US rapper takes out legal action against pop duo over similarities to his 2006 song 'Hustlin'
One half of the annoying electropop pair swaps beats for balls
'There's a dynamic that has changed,' says band's Redfoo
Originality of James Arthur's LMFAO cover questioned
Duo promise their next album will be 'amazing crazy'
Redfoo and SkyBlu want to pursue new personal and professional interests