"What You Think of That" is the third and final single from Memphis Bleek

Memphis Bleek

Malik Thuston Patrick Cox , better known by his rap persona of Memphis Bleek or "Bleek", is a New York rapper mainly known for his tenure with Roc-a-Fella Records and CEO of his own label Get Low Records...

's debut album, the song features Jay-Z

Jay-Z

Shawn Corey Carter , better known by his stage name Jay-Z, is an American rapper, record producer, entrepreneur, and occasional actor. He is one of the most financially successful hip hop artists and entrepreneurs in America, having a net worth of over $450 million as of 2010...

. This song is a perceived diss to Queens, New York rapper, Nas

Nas

Nasir bin Olu Dara Jones, who performs under the name Nas , formerly Nasty Nas, is an American rapper and actor. He is regarded as one of the most important figures in hip hop and one of the most skilled and influential rappers of all-time...

. It was the controversial line, I'm a ball till I fall/what you think of that, which would spark the epic Jay-Z vs. Nas feud

Jay-Z vs. Nas feud

The Jay-Z–Nas feud was a hip hop rivalry during the early-2000s and one of the most high-profile feuds in the history of hip hop music. It was characterized by comments between Shawn "Jay-Z" Carter and Nasir "Nas" Jones from 2001 until resolved in 2005...

of 2001-2003. Nas would respond to the song with the line, you wanna ball till you fall/I can help you with that/you want beef?/I could let a slug melt in your hat. Due to this, and the Jay-Z collaboration, the song became a huge hit in the later parts of 1999. Because of this single, Memphis Bleek was now involved in a feud with Nas.