A giant wooden “X” sat affixed to the back of the Spanish Moon’s stage Monday night, and a black drum set read “xx” in white letters. As The xx progressed through its show, the “xx” on the drums lit up, casting a white spotlight on the center of the stage. The xx may be new to stardom, but the indie-rock trio from London doesn’t lack the ability to impress.And impress is what the band did Monday night during its first venture to Baton Rouge.Hot off the success of its critically-acclaimed debut album “xx,” the band kicked off its international tour in Baton Rouge, performing a sold-out concert to a crowd that soaked up the show’s energy.Despite the band’s late start to a crowd tiring from less energetic opening acts Nosaj Thing and jj, the energy of the show picked up the moment The xx took the stage, immediately ripping into its signature “Intro.”Each subsequent song seemed to draw more emotion from the performers and more enthusiasm from the crowd. Continuing its set with single “Crystallized,” the band used its dark image and smooth vocals to achieve an instant connection with a highly engaged crowd. Lead singers Romy Madley Croft and Oliver Sim sang to each other with electric chemistry.  The duo, combined with Jamie Smith’s impressive backing tracks, crafted an intriguing musical persona that gravitated the audience’s attention to the serene ambiance they produced — a feat not always accomplished in small venues like the Spanish Moon. Audience members never lost their interest or enthusiasm as The xx perused its small but excellent catalog. It was heartening to hear the crowd connect with the performances — they joined in with the band on crowd pleasers like “Shelter,” “VCR” and fan-favorite “Basic Space.”And The xx surpassed its reputation as a mellow chill-out band. The musicians amplified their smooth sound to fit a live venue while still remaining faithful to the laid-back album.The aesthetics of the show impressed as well. The band members were dressed in their usual black, and they enhanced their performance by adding an impressively tranquil light show. Bright purple, blue and white searchlights flashed beams of light across the stage and into the crowd as the band hit its dramatic downbeats. And the audience erupted in cheers during the impressive encore number “Stars,” as a black cloth in the background of the stage lit up with lights and the crowd sang in tune with the chorus, “But if the stars shouldn’t shine / For the very first time / Then dear, it’s fine.”  The London trio set the stage for itself as impressive live performers by blending just the right amount of creativity and faithfulness to the original material. The xx will appear at Bonnaroo Music and Arts Festival in Manchester, Tenn., in June as the band continues its international tour through the summer.Fans will have an enjoyable time chasing these golden children of the indie-rock scene during their rise to fame. And the band’s space in the music industry won’t be basic for long. —-Contact Matthew Jacobs at [email protected].