In Diane Paragas’ musical-drama feature, the lead character reveals casually what the title “Yellow Rose” means. Of course, our immediate association would be with the familiar folk song, but “Rose” here is Rosario (Eva Noblezada), an undocumented 17-year-old Filipino-American, who, showing an inclination for singing country music as a child, was given the racially insensitive moniker “Yellow Rose.” While this could’ve kindled didactic sociopolitical commentary on the complicated issues of migration and race, Paragas ferries...