Brahms, Johannes. (1833–1897) Piano Concerto no. 1 - Autograph Musical QuotationAutograph musical quotation in the hand of the great composer, who has penned two measures of the opening theme from his Piano Concerto no. 1, signed "J. Brahms" and dated January 31, 1895. Some light toning and very slight smudge to the signature; overall in fine condition. 6 x 4 inches (15. 5 x 10 cm). The Piano Concerto No. 1 in D minor, Op. 15 was completed in 1858. The composer gave the work's public debut in Hannover in 1859. Although composed