Achieving longevity in the fickle world of pop music requires a boatload of talent and the ability to intimidate rival acts by steering really big boats into their beach houses. Get steamrolled by immutable music with today’s Groupon to Britney Spears' Femme Fatale tour at Philips Arena on Sunday, July 17, at 7 p.m. Doors open at 5:30 p.m., and seats are assigned at pickup on a first-come, first-served basis. Choose from the following options:

• For $36, you get a seat in level 300 (a $59.50 value before fees, or up to a $70.85 value online, including all ticketing fees).
• For $58, you get a seat in level 200 (a $99.50 value before fees, or up to a $114.95 value online, including all ticketing fees).
• For $97, you get a seat in level 100 (a $175 value before fees, or up to a $192.50 value online, including all ticketing fees).

Britney Spears hurtles back into the earth’s stratosphere, pulling out all the stops, raising roofs, and dousing all of mankind’s melancholia in glitter and beatitude on her fiery Femme Fatale tour. From Mouseketeer to multifaceted entertainer, Britney Spears has seared dance floors throughout her career with infectious sonic shrapnel while soothing countless ears scarred by the sound of exploding chalkboards. Unleashing fresh cuts dripping with danceable dubstep beats and tireless techno melodies, the Femme Fatale tour shares its stagecoach with a lineup of glam girl-powered acts. Spunky rhyme funambulist Nicki Minaj joins electro-pop teases Jessie and the Toy Boys and the feisty twisted-sister duo of NERVO to round out a night stuffed with golden throats, brick-thick beats, and floor-shaking choreography that will undoubtedly awaken the stadium’s downstairs neighbors.