Siegfried Debrebant (23 January 1973 – 3 October 2024), more commonly known as simply Siegfried (also Sig, SIG or ZIG), was a French independent film director and improviser musician (cello, piano). He became famous for his films "Louise (take 2)", "Sansa" and others, the music for which he wrote himself (as a rule, he also acted as a cinematographer of his films). He performed concerts, including as part of small groups, including collaborations with such performers as Viktor Pivtorypavlo, Pavel Protasov, Vladimir Volkov, Artis Orubs, Sergey Letov, Vladimir Glushko, Anatoly Gerasimov, Erik Truffaz and Ivry Gitlis.