Revival (2LP Gatefold)"Am I lucky to be around this long?" Eminem wonders this on "Walk on Water," the first track on his 2017 album, Revival, which arrives when the 20th anniversary of his 1999 debut, The Slim Shady LP, is just 14 months away. Aging is never easy for a star but it may be harder for Marshall Mathers, since his earliest records were equal parts rage and pranks emotions that tend to mellow as the years stack up. Underneath all that attention grabbing bluster