Gleydson Carvalho was a known critic of local government corruption
Factory Records founder passed way in 2007
Heltah Skeltah rapper passed away on Saturday (August 8), aged 43
Many clubs 'are gone for good and we're never going to get them back'
Hinds, The Antlers and Camera Obscura also performed at multi-venue event in Hackney
Funeral plans expected to be announced shortly
Band also revel new London live date
Track to appear on the band's upcoming second album 'Gone By The Dawn'
Brooklynite was one half of the group Heltah Skeltah