Answer
In 2013, f(x) became the first K-pop act to perform at the South by Southwest Music Festival (SXSW). The group performed on the Fader Fort stage on March 14, 2013, and their set was well-received by the audience. f(x)'s performance at SXSW was a major milestone for K-pop, as it helped to raise awareness of the genre in the United States.