HopPo! is the name of Café Tacvba frontman Rubén Albarrán's side project. Albarrán formed this band while Café Tacvba was on break during 2010.During the fall of 2010, HopPo! briefly toured throughout South and North America; including some west coast dates in the U.S. Paul Livingstone, sitar musician, was on tour for 6 dates with HopPo! from October 30 to November 8.