Ludwig van Beethoven's Piano Sonata No. 29 in B-Flat major, Op. 106 (known as Hammerklavier) is a piano sonata that is widely viewed as one of the most important works of the composer's third period and among the greatest piano sonatas of all time. Completed in 1818, it is often considered to be Beethoven's most technically challenging piano composition and one of the most demanding solo works in the classical piano repertoire. Ludwig van Beethoven (1770 - 1827) was a seminal German composer. He had a significant influence on the transition from the Classical to the Romantic era of music, and to this day he is considered to be one the most celebrated and important composers of all time. This volume is highly recommended for fans of Beethoven's music, and it constitutes a must-have for collectors of important classical scores. Classic Music Collection constitutes an extensive library of the most well-known and universally enjoyed works of classical music ever composed, reproduced from authoritative editions for the enjoyment of musicians and music students the world over. This edition also includes an introductory biography of Beethoven written by Joseph Otten.