the Oakland As and eventually in the military (United States Navy). It was within the lyrics of a rap song called "This Wall" that Hammer first identified himself as M.C. Hammer and later marketed it on his debut album Feel My Power. The term MC has also been used in the genre of grime music to refer to a rapid style of rapping. Grime artist JME released an album titled Grime MC in 2019 which peaked at 29 on the UK Albums Chart. Uncertainty over the acronym's expansion may be considered evidence for its ubiquity: the full term "Master of Ceremonies" is very rarely used in the hip-hop scene. This confusion prompted the hip-hop group A Tribe Called Quest to include this statement in the liner notes to their 1993 album Midnight Marauders: The use of the term MC when referring to a rhyming wordsmith originates from the dance halls of Jamaica. At each event, there would be a master of ceremonies who would introduce the different musical acts and would say a toast in style of a rhyme, directed at the audience and to the performers. He would also make announcements such as the schedule of other events or advertisements from local sponsors. The term MC continued to be used by the children of women who moved to New York City to work as maids in the 1970s. These MCs eventually created a new style of music called hip-hop based on the rhyming they used to do in Jamaica and the breakbeats used in records. MC has also recently been accepted to refer to all who engineer music. Subject matter "Party rhymes", meant to pump up the crowd at a party, were nearly the exclusive focus of old school hip hop, and they remain a staple of hip-hop music to this day. In addition to party raps, rappers also tend to make references to love and sex. Love raps were first popularized by Spoonie Gee of the Treacherous Three, and later, in the golden age of hip hop, Big Daddy Kane, Heavy D, and LL Cool J would continue this tradition. Hip-hop artists such as KRS-One, Hopsin, Public Enemy, Lupe Fiasco, Mos Def, Talib Kweli, Jay-Z, Nas, The Notorious B.I.G. (Biggie), and dead prez are known for their sociopolitical subject matter. Their West Coast counterparts include The Coup, Paris, and Michael Franti. Tupac Shakur was also known for rapping