Coal-fired pizza in an Arizona chain and one more in Las Vegas. The growing popularity of coal-fired pizza in the 2010s was identified as a major market for anthracite coal suppliers, most of whom are in Pennsylvania's Coal Region, who generally see a declining market due to alternate industrial and home heating fuel sources. Concerns have been raised about particulates, sulfur dioxide and CO emissions from coal-fired pizza ovens. Coal-fired pizza Coal-fired pizza is a pizza style in the United States. New York-style pizza and New Haven-style pizza are often cooked in coal-fired pizza ovens. A coal-fired oven can reach and cook
A Star Is Burns play in the opening moments of the episode is a parody of "U Can't Touch This" by MC Hammer. The opening of Bart's film "The Eternal Struggle" is a reference to The Amazing Criswell's narration in "Plan 9 from Outer Space". Barney's film contains references to "Koyaanisqatsi", and the music of the film, which was composed by Philip Glass. Barney's film also features musical selections from the aria "Un bel di vedremo" from Act II, pt. 1 of Puccini's opera "Madama Butterfly". In its original broadcast, "A Star Is Burns" finished 57th in the ratings for the week of February