Dat Politics: The French laptop trio Dat Politics, originally from the Champagne region, at Crowbar, 1812 17th St., in Ybor City, with Kevin Blechdom, Yip Yip, GoGo Pod and DJs the Crate Brothers; $8, doors open at 8. (813) 241-8600.
Olivia Newton-John: Ruth Eckerd Hall in Clearwater; $44.50-$75. 8 p.m.
The Closer, 8 p.m., TNT: new 2-hour special.
Heroes, 9 p.m., NBC: the last new episode until the new year.
Billboard Music Awards, 8 p.m., Fox: Janet Jackson, Fergie and the Killers perform.