Hip-hop mogul Jay-Z is reintroducing himself as JAŸ-Z. The 56-year-old rapper quietly revised the spelling of his stage name to include an umlaut over the "Y," in an announcement that he would perform with The Roots at their Philadelphia music festival in May. View this post on Instagram Story continues below advertisement JAŸ-Z's name has also been changed on all streaming platforms - including Apple Music, Spotify, Tidal and YouTube - to feature the umlaut, a punctuation mark consisting of two dots placed over a vowel to signal a change in sound.