philippe cerboneschi (aka zdar), born january 28, 1967 in aix-les-bains and died june 19, 2019 in paris, was a french musician, producer and sound engineer. zdar was dominique blanc-francard's assistant at studios + xxx (plus30) when he met boombass in 1988. outside the cassius group, zdar was producer and sound engineer. he notably recorded several albums of -m-, phoenix and chromeo. he also recorded for franz ferdinand, beastie boys, lou doillon and sébastien tellier among others.