The standees of the title are a group of men known as the Funk Brothers, superlatively gifted instrumentalists who, in the 1960s and early 1970s, created what came to be called the Motown Sound.
As a result, online ticket sales for the film have ceased over the last few days at both theater chains as well as at fellow major theater chain Cinemark, and Regal Cinemas has removed in-theater advertising, like posters and standees.