By Andrew Breazeale, Contributor [RCA; 2018] Rating: 7/10 Key Tracks: “Vertigo”, “Better” Over a year after his debut album, American Teen, was released, Khalid has graced us with a seven-track EP, Suncity. After being featured on numerous albums and singles in the past year, the El Paso-raised singer finally released his own music, and boy…