Umm...

-Beats
-Rhymes, i.e. Wordplay. These "rappers" think that if they say something clever every now and then that they have done some supernatural, stellar shit (see: Drake). True rhyming takes so much talent that most of these fool think that by rhyming "late" and "gate" that they did something special. It's a skill all unto its own and it takes natural talent and practice.

-Good cover art. Maybe then. I guess I'm showing my age.