London alternative rock quartet Bastille combined glossy '80s synth textures and arena-friendly choruses on early hit singles like "Pompeii," which helped them sell millions of their 2013 debut album, Bad Blood. The group began as the solo project of singer/songwriter Dan Smith -- whose birthday is July 14 (aka Bastille Day) -- but became a full-fledged band in 2010 with the addition of Chris Wood, William Farquarson, and Kyle Simmons. Bastille attracted an audience after putting a few tracks online, leading to support slots at major U.K. festivals like Glastonbury and the Isl...