1. WATCH: Yasiin Bey Performing “Casa Bey” & “Umi Says” at the Roots Picnic.

    The Roots crew threw their fifth annual Roots picnic this weekend in Philadelphia. Footage from the concert has been surfacing all day, and this clip of Yasiin Bey is one of the many highlights from the two-day festival. Check out the rapper formerly known as Mos Def run through two crowd-pleasing numbers after the jump…

    (Props to ‪nik1ron11‬ for the upload)

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