Answer
Johann Strauss II, the renowned operetta composer, had his works re-orchestrated in the 1920s by Erich Wolfgang Korngold, a prominent Austrian composer and conductor. Korngold's re-orchestrations aimed to enhance the richness and depth of Strauss's original compositions, adding a modern touch while preserving the essence of the operettas. This collaboration resulted in a revival of Strauss's popularity, allowing audiences to experience his beloved works with a fresh and invigorating sound.