Weiland was fired from the US rock band back in February and they filed a lawsuit against him last month (May)
Supergroup perform the David Bowie-penned track together at MusiCares benefit gig in Los Angeles
The singer is being accused of misusing the band's name to advance his solo work
Band also post first material with new frontman online - listen
Relations between band and frontman collapse over dispute
No reason has been given for the dismissal of the former Velvet Revolver member
Band push back dates until October 8
'Not Dead & Not For Sale' is due out on March 8 2011
Frontman takes a tumble during their show at the PNC Pavilion
Group begin the 37-date jaunt in Winnipeg, Manitoba on August 7