By Marc Weingarten
Updated June 04, 1999 at 04:00 AM EDT

The veteran N’awlins septet has never strayed too far from its mission: to throw brass knuckles into bumptious beats and boot everyone’s rump in the process. On their latest album, Buck Jump — produced by avant-jazz keyboardist John Medeski — the band comes out with horns a-blazing, kicking it second-line style on ”Old School,” stirring up a sticky rumba on ”Pet the Kat,” and turning Marvin Gaye’s ”Inner City Blues” into a menacing midnight creep through the French Quarter. B+