BoxOfficeMagazine: Despite its unusually introspective tone and surrealistic stylization, renowned graphic novelist Joann Sfar's impressive writing/directing debut Gainsbourg (Vie héroïque), (Gainsbourg (Heroic Life), a.k.a. Gainsbourg: Je T'Aime... Moi Non Plus) still relies, like all biopics, on a certain measure of audience familiarity with the subject-in this case legendary French singer/songwriter/provocateur Serge Gainsbourg.