The final line-up for Hong Kong’s premier music and arts festival, Clockenflap, has been revealed, with Central Cee, BANKS, Serrini, The Black Skirts, and Wisp set to play Central Harbourfront next month. “British hip-hop sensation Central Cee will headline the festival on Saturday night,” festival organisers said on Friday, “[W]hile other newly announced highlights include Alt-R&B songstress Jillian Rose Banks AKA BANKS, Hong Kong singer-songwriter Serrini, local music legend Carl Wong and the Hats On Band ft. Jer Lau, Korean indie-rock act The Black Skirts, American shoegaze artist Wisp, Tai…