‘Gridlock’d’

“Lately, I’ve been feeling that my luck’s running out,”says the late rap star Tupac Shakur’s (pictured) Spoon, early in this 1997 dark comedy. Cast as the gentler of two musician junkies trying to burrow through the bureaucracy to enter a rehab clinic in Detroit, Shakur has the relaxed screen presence of a young Wesley Snipes and plays perfectly off the delirious Tim Roth. (TMC Saturday at 5:30 p.m.).