The Sparks Brothers, a documentary about a cult band by a brand-name director in Edgar Wright (Baby Driver, Shaun of the Dead) hits big screens this weekend, a felicitous one as New York and LA drop most capacity restrictions in theaters. The film about musician brothers Ron and Russell Mael of Sparks premiered at Sundance this year, notching a 100% critics score on Rotten Tomatoes — all of which could hopefully give the arthouse market some long-term traction through the summer