Audio, Hip Hop, Rap, US New Music: Marcus Black ‘Flawsome’ [Prod. By Kelly Portis] ALLUNSIGNED® Share on TwitterTweet Share on Facebook Share 16 Share on Google Plus Share 1 Marcus Black drops the track ‘Flawsome,’ which includes production by Kelly Portis. Have a listen to the track below. Listen to All Unsigned® FM Radio Live! Now on TuneIn! DISCOVER No Music Here.