Rap has been criticized for sampling, i.e. looping, chopping and manipulating snippets of other songs to make something new. But rather than disrespect its source material, sampling frequently brings older artists, often forgotten or underrated, some much-needed attention and income. In many ways, hip hop's use of sampling helps promote music history — particularly Black music history. So, in honor of Black History Month, we're taking a look at hip hop's greatest, most influential, most used samples.
(Photos from left: Polydor Records,Ruthless Records)