In August 2011, My Chemical Romance was in the midst of promoting their fourth studio album, "Danger Days: The True Lives of the Fabulous Killjoys," which was released in November 2010. The band had already begun to solidify their place in the rock genre with their earlier work, particularly with the highly acclaimed "The Black Parade" in 2006. The live recording of "Welcome to the Black Parade" at the Reading Festival features a special collaboration with Brian May, the legendary guitarist of Queen, highlighting the band's ability to attract iconic musicians and their continued cultural relevance. This performance was significant as it showcased MCR's evolution and their connection to a wider rock legacy. Notably, this festival appearance was part of a larger European tour that further established their status as a leading band in the alternative rock scene post their "Black Parade" era.