Complex sentence: In the second half of 2011 Syntek participated pioneering The Voice in Mexico: "La Voz Mexico" alongside Lucero, Espinoza Paz and Alejandro Sanz, such broadcast broke box office records in the history of Mexican television.
Split into simpler sentences: In the second half of 2011 Syntek participated pioneering "The Voice" in Mexico: "La Voz Mexico" alongside Lucero, Espinoza Paz and Alejandro Sanz. The broadcast broke box office records in the history of Mexican television.