New York (AFP) – After six years without releasing a solo song Rihanna on Friday dropped “Lift Me Up,” the lead track off the Marvel sequel “Black Panther: Wakanda Forever.” The 34-year-old — who’s spent her time away from the recording studio launching high-fashion collections, a lingerie line, a makeup brand, becoming a billionaire and having a baby — warmly delivers the lullaby-esque ballad over soft strings and murmurs of a choir. Her label said the song is a tribute to Chadwick Boseman, who played the title character in the first “Black Panther” film and died of cancer last year. The fi…