There’s a 10-hour marathon of electronic grooves and upbeat pop music happening for RTRFM’s annual Seriously Sound System. Kicking off at 2pm in the Perth Cultural Centre’s Urban Orchard on Saturday, December 14, the all-local line-up includes live sets from Omega Is The Alpha, Kučka, Bastian’s Happy Flight, Boom! Bap! Pow!, Boys Boys Boys!, Community Sound System (represented by Diger Rokwell, Ylem, Mathas, Empty and ASAP) and DJs from dance crews, Untitled Sound Alliance, DeadWeight!, I.C.S.S.C, Habitat, The Likes Of You and The District. Get your tickets now from rtrfm.com.au.