When Run-D. M.C.'s third album came on the scene in 1986, many saw this as the beginning of the "Golden Age" of Hip Hop
as well as the end of "Old School" Hip Hop. Their album, Raising Hell, produced four hit singles, including "Walk This Way"
where they collaborated and sang with the rock group Aerosmith. This was rap's first multi-platinum album. They are also
credited as being the first rap group to be nominated for a Grammy in the category "Best R&B Vocal Performance."
Read the passage above. Look carefully at the phrasing, who did Aerosmith collaborate with on the song "Walk This Way?"