Big Heavenly Birthday Salute to @macmiller Malcolm James McCormick (January 19, 1992 – September 7, 2018), known professionally as Mac Miller, was an American rapper and record producer from Pittsburgh, Pennsylvania. Miller began his career in Pittsburgh’s hip hop scene in 2007, at the age of fifteen. In 2010, he signed a record deal with independent label Rostrum Records and released his breakthrough mixtapes K.I.D.S. (2010) and Best Day Ever (2011). Miller’s debut studio album, Blue Slide Park (2011), became the first independently distributed debut album to top the US Billboard 200 since 1995.