Question: Which group, Philly's Most Wanted or the Neptunes, is composed of Pharrell Williams and Chad Hugo, who are credited with contributing the sound for many successful hip hop and R&B artists in the late-1990s and 2000s?
Sentence (from "The Neptunes"): Pharrell sings and (later) raps on records and appears in videos, unlike his production partner Chad, who tends to stay behind the scenes.
Relevant evidence: No