Answer
Mr. Showmanship was the nickname given to Liberace, the renowned American pianist and entertainer. This moniker aptly captured his flamboyant and captivating stage presence. Liberace's performances were known for their elaborate costumes, extravagant sets, and dazzling piano skills. His over-the-top style and charisma made him a beloved figure in the entertainment world, earning him the title "Mr. Showmanship."