Elton John, Chad Smith of the Red Hot Chili Peppers and Yo-Yo Ma will all appear on Miley Cyrus‘ forthcoming Metallica covers album.Cyrus broke the news in a recent interview with Capital FM, explaining that John will tickle the ivories on her cover of ‘Nothing Else Matters’. Metallica originally released the track in 1991, on their self-titled fifth album.“I did a Metallica cover of ‘Nothing Else Matters’ featuring Elton John on the piano.