Here are four arts and culture videos from public broadcasting partners around the nation.

Idea Channel asks, What makes a pop star authentic? "Miku Hatsune is a computer generated pop star from Japan who has performed to sell out crowds. Lana Del Rey is a rising singer-performer who has encountered controversy over her alleged authenticity as an artist. IDEA channel raises the question: what does authenticity really mean in the world of popular music?"

Watch Idea Channel: What Makes a Pop Star Authentic? on PBS. See more from Idea Channel.

Making its PBS premiere Thursday on Independent Lens: "Being Elmo," the story of how Kevin Clash, a young puppeteer from Baltimore, became the one of the most popular children's characters. (Art Beat talked to Clash earlier this year about being Elmo.)

Watch Meet the Man Behind Elmo on PBS. See more from Independent Lens.

NYC-ARTS follows principal conductor Fabio Luisi as the Metropolitan Opera prepares to undertake the monumental task of presenting Wagner's Ring Cycle. Here is a behind-the-scenes look at Maestro Luisi as he prepares for this challenge:

Watch NYC-ARTS Profile: Fabio Luisi on PBS. See more from NYC-ARTS.

WTTW's "Chicago Tonight" looks at the history of the National Museum of Mexican Art, which is celebrating its 25th year. Phil Ponce talks with Carlos Tortolero, the president and founder of the museum: