As you should know by now, David Letterman is officially back thanks to his newest series with Netflix. For his periodic talk show entitled ‘My Next Guest Needs No Introduction’, Letterman is now ready to showcase his talk with Jay Z. In a newly released clip, we see Letterman talk rap with the rapper/music mogul. Jay Z whose real name is Sean Carter would go on to explain what he felt makes some rappers good. The full interview of their talk will take place on April 7th with Netflix.