A legend by the age of 20, pianist Lang Lang is slated to play in Las Vegas as part of a more than 20 city tour. His visit, presented by the Las Vegas Philharmonic, is set to feature Faure’s “Pavane in F sharp minor, Op. 50,” Schumann’s “Kreisleriana,” Chopin’s “12 Mazurkas,” and “Polonaise in F# minor, Op. 44.”