Richard Wagner classical music. His "Tristan und Isolde" is sometimes described as marking the start of modern music. Wagner had his own opera house built, the Bayreuth Festspielhaus, which embodied many novel design features. The "Ring" and "Parsifal" were premiered here and his most important stage works continue to be performed at the annual Bayreuth Festival, run by his descendants. His thoughts on the relative contributions of music and drama in opera were to change again, and he reintroduced some traditional forms into his last few stage works, including "Die Meistersinger von Nürnberg" ("The Mastersingers of Nuremberg"). Until his final years, Wagner's
Mercy (GOOD Music song) was released onto the Internet the following day onto West's official website. The song serves as the first official single from "Cruel Summer", an album by West's record label GOOD Music. The release of the track continued West's "GOOD Fridays", a music giveaway that provided free MP3 downloads every week, which had been on hiatus since December 2010. The song features Big Sean and Pusha T, rappers both signed to West's GOOD Music, along with 2 Chainz, all delivering a verse each along with West. Speaking about his feature, 2 Chainz stated that "I've done a lot of work with