British band Coldplay, featuring many castmembers of Game of Thrones such as Peter Dinklage, Kit Harington, Nikolaj Coster-Waldau, Emilia Clarke, Alfie Allen and Iwan Rheon. A parody titled Game of Thrones: The Musical, written by Basil Considine and developed by Really Spicy Opera, appeared at the Minnesota Fringe Festival in August 2016 and the 2017 Oahu and Maui Fringe Festivals and was rated a must-see by the St. Paul Pioneer Press. Companion publications Reader guides The World of Ice & Fire The World of Ice & Fire, an illustrated companion book for A Song of Ice and Fire written by Martin, Elio M. García Jr. and Linda Antonsson, was published by Bantam on October 28, 2014 (). The Lands of Ice and Fire A set of twelve maps of the world of A Song of Ice and Fire, drawn by Martin and Jonathan Roberts, was published in October 2012 as The Lands of Ice and Fire (). A Game of Thrones Guide In November 2012, Random House published George R. R. Martin's A World of Ice and Fire – A Game of Thrones Guide, an iOS application that provides the biographies of 540 characters, descriptions of 380 places, and interactive maps. The app's "anti-spoiler functionality" hides information not yet revealed at the point up to which the user has read the novels. Applications for mobile devices Several other reader's companion apps for mobile electronic devices have been published, generally without the endorsement of Martin or his publisher. They include Game of Thrones Companion, similar in approach to the above-mentioned Guide, and Westeros Map for Game of Thrones, which contains maps of Essos and its cities. Other A Song of Ice and Fire- or Game of Thrones-themed apps include a trivia game, a study guide, and a weather app from HBO. Compilation The popularity of the Tyrion Lannister character led Martin and Bantam Books to publish The Wit & Wisdom of Tyrion Lannister (), an illustrated collection of Tyrion quotes from the novels, in October 2013. Commentary Several publications discuss the themes addressed in the A Song of Ice and Fire series: Edited by James Lowder, this collection of essays by fantasy authors and science fiction experts, including R.A. Salvatore, Brent Hartinger, Ned Vizzini, Gary Westfahl and Daniel Abraham, addresses themes such as the nature of magic or the role of the prequels in Martin's work. This entry in Blackwell's Pop