By | September 02 2012 3:48 PM

One day after Kanye West performed alongside Jay-Z in Philadelphia's Made In America festival, the rapper took to his Twitter account to ruminate on what it means to use derogatory words in hip hop songs, most notably "bitch" and "n***a." His twitter-rant comes one month after the notoriety that ensued when Kanye announced that his new song, "Perfect Bitch," was meant to be a tribute to girlfriend Kim Kardashian.