Q:- instrument is keyboard , drum machine - based is frankfurt , hessen , germany - years active is 2005 -- present - birth name is christian kalla - origin is marktleuthen , bavaria , germany - genre is hip hop , rnb - background is non_performing_personnel - occupation is record producer Given the details above, guess who could this information be about.
A:
crada -lrb- producer -rrb-