Tchaikovsky, P. I. Valse-Scherzo (Val's-skertso), 1870. For Piano. Op. 7.

Чайковский, П. И. Вальс-скерцо : Для фортепиано : Соч. 7.
Москва : П. Юргенсон, 1870.
9 с. Мягкая издательская обложка, энциклопедический формат. Прижизненное издание.
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Tchaikovsky, Pyotr Ilyich. Valse-Scherzo : For piano : Op. 7.
Moscow : P. Jurgenson, 1870.
9 pp. Soft publisher's cover, encyclopedic format. Lifetime edition. 

This 1870 musical score is an exceptionally rare lifetime edition of Pyotr Ilyich Tchaikovsky’s Valse-Scherzo (Op. 7). Published by the legendary Pyotr Jurgenson in Moscow, this volume appeared when the thirty-year-old Tchaikovsky was still establishing his voice as a professor at the Moscow Conservatory. It is one of the earliest examples of the long-standing and fruitful collaboration between the composer and his primary publisher. This edition contains the sheet music for Valse-Scherzo (Op. 7), composed by Pyotr Ilyich Tchaikovsky (1840–1893) in 1870. This early piano piece, written at the age of 30, showcases the young composer's virtuosity and lyricism. The Valse-Scherzo combines the graceful melody of a waltz with the playful, scherzo-like energy, requiring technical precision, lightness, and expressiveness from the pianist. The work reflects the influence of European Romantic traditions, particularly Chopin and Schumann, while already bearing Tchaikovsky's distinctive style.
Dedicated to his friend and colleague Alexandra Davydova, the Valse-Scherzo in A-major is a brilliant concert piece that bridges the gap between salon elegance and symphonic development. Unlike the later, more famous violin work of the same name (Op. 34), this piano composition is a bravura display of rhythmic shifts and sparkling passagework. The "scherzo" element introduces a mischievous, rapid-fire energy that subverts the traditional ballroom waltz, demanding great agility and a refined sense of "rubato" from the performer.
For musicologists, collectors of Tchaikovskyana, and historians of the Russian Romantic movement, this 1870 publication is a treasure of the highest order. As a first-generation Jurgenson imprint, it captures the physical form in which Tchaikovsky’s music first reached the hands of his contemporaries. Such pre-1880 editions are significantly rarer than the composer's later works and represent a critical period in the formation of the Russian National School of music.