Hip-hop artist Mos Def performed the track “Quiet Dog” last week on Late Night with David Letterman. The track comes from his recent release The Ecstatic, released June 9, 2009.

Source Hip-hop artist Mos Def performed the track “Quiet Dog” last week on Late Night with David Letterman. The track comes from his recent release The Ecstatic, released June 9, 2009.

Source