Madi Davis sang "A Case of You" vs Amy Vachal's "A Sunday Kind of Love" The Voice US Season 9 2015 Knockout Round. Pharrell was chosen by Pharrell to move on to The Top 20. Pharrell commented to Madi "you are an artist. Not just a contestant on this show." The Live Rounds start Nov 9. Tune in to see the Top 20 and support Madi! You can buy the full version of A Case of You on iTunes or listen to it on Apple Music.