Final answer:
Franz Liszt composed over a thousand pieces for the piano, establishing him as a leading figure in the Romantic era and a virtuoso performer.
Step-by-step explanation:
The nineteenth-century composer Franz Liszt is renowned for his contributions to piano music, having composed over a thousand pieces for this instrument. Liszt was known for his virtuoso performances and as a pioneering figure in the Romantic era of music. His works for piano range from transcriptions of other composers' pieces to original concertos, sonatas, and solo works that often demand a high level of technical skill. Liszt's piano compositions played a significant role in the evolution of piano music, and his presence on stage mirrored that of a modern-day pop star in terms of popularity and influence on the culture of his time.