Ed Sheeran & Yelawolf:You Don't Know (For Fuck's Sake) Lyrics performed by Yelawolf are property and copyright of the authors, artists and labels. You should note that Ed Sheeran & Yelawolf:You Don't Know (For Fuck's Sake) Lyrics performed by Yelawolf is only provided for educational purposes only and if you like the song you should buy the CD