German-Sinti rapper from Berlin, Märkisches Viertel.
"Sido" means: Super intelligentes Drogenopfer (Super intelligent victim of drug use), an earlier meaning was: "Scheiße in dein Ohr" (shit in your ear).
In 2007 he and [a=B-Tight] founded the Label [l=Sektenmuzik].
Si(e)gmund Gold ("Siggi") is not his real name.