Tinie Tempah made a sudden and natural transition from underground clubs to stadiums to become one of the U.K.'s biggest breakout stars of the early 2010s. The rapper, singer, and songwriter went supernova with Disc-Overy (2010), a multi-platinum debut album that integrated hip-hop, reggae, drum'n'bass, EDM, and full-on pop with seven Top 40 singles, beginning with the chart-topping and award-winning "Pass Out," and later including "Written in the Stars," also a Top 20 U.S. hit. Demonstration (2013) and Youth (2017), his second and third albums, nearly doubled his tally of Top...