Returning to Korea about a year and a half after a sold-out recital in 2024, pianist Lang Lang frames his upcoming Seoul performance around a single idea: honesty. The recital, set for April 28 at the Seoul Arts Center, spans a wide stylistic range — from selections drawn from his 2025 album "Piano Book 2," a collection that moves between classical staples such as Mozart and Beethoven and more contemporary repertoire, to the philosophical weight of Beethoven’s late sonatas and the sun-drenched r