Liberace was a famous American entertainer and pianist who was known for his flamboyant style and showmanship. His instrument of choice was the PIANO, which he played with great skill and passion. He was one of the most successful solo pianists of the 20th century and his performances were renowned for their technical proficiency and showmanship. He was also known for his extravagant costumes and stage presence. The instrument he is most associated with is the PIANO, which has five letters in its name.