Roscoe was right and I'm thrilled! :)
Molotov Jukebox - 6 piece combo from London featuring the vocals of Natalia Tena (Tonks from the Harry Potter films and she was also in About A Boy-- quite the fetching lass and adorable songstress). They describe their influences:
gypsy, ska, funk, dubstep, flamenco, house, electro, pop, reggae, and soul as their influences and call the music they make GypStep.