Making music history doesn't seem like much of a surprise for rap superstar Eminem, and he has done it again!The 41-year-old is the first artist since The Beatles in 1964 to have four simultaneous songs inside the Top 20 of the Billboard Hot 100.Slim Shady's track, “The Monster,” recorded with Rihanna, debuted at #3 on the chart, while “Berzerk” hit #15, directly alongside “Survival” at #16. Finally, “Rap God” concluded the artist's list of top songs at #17.In related news, The Marshall Mathers LP 2 is expected to debut at #1 on next week’s Billboard 200, and no musical performer has accomplished Eminem's achievement since The Beatles, showcasing six songs in the Top 20 for two weeks in April 1964.