Nirvanna the Band the Show The Movie is the feature-length spin-off of the abruptly cancelled, Vice-produced television series; which initially grew from the online brainchild of director Matt Johnson (The Dirties, Operation Avalanche, BlackBerry) and musician/composer Jay McCarrol (The Kid Detective). Just like their former antics on TV, Johnson and McCarrol take big swings with their movie: they’re attempting to project a niche property into the mainstream and hoping the general public will ride along, while also approaching the…