Question: What American hip hop recording artist, who joined Cash Money Records at the age of nine, worked with American music video director Hannah Lux Davis?
Sentence (from "Lil Wayne"): In 1991, at the age of nine, Lil Wayne joined Cash Money Records as the youngest member of the label, and half of the duo The B.G.'z, alongside fellow New Orleans-based rapper Lil' Doogie.
Relevant evidence: Yes