“The Lonely Island Presents: The Unauthorized Bash Brothers Experience” has been billed a visual poem as well as a “Concept LP on Steroids.” The Netflix special is directed by Mike Diva with cinematography by Aaron Grasso , and stars Lonely Island members Andy Samberg, Akiva Schaffer, and Jorma Taccone, in an absurd, hilarious, musical romp through eighties-sports and mullet-bro-culture.