On July 22, 2015, Meek Mill publicly criticized the rapper Drake on Twitter, after being upset with Drake's lack of involvement with the promotion of the album, claiming that he used ghostwriters to write his song texts.[1]
The controversy caused Drake to respond with two diss songs within a week titled, "Charged Up", and "Back to Back".[2][3] Meek Mill responded with a counter-diss on July 31, 2015 with a diss song called "Wanna Know".