The Waltz No 7 in C-sharp minor was composed in 1847 and have three themes with different speeds. It is the second work of Frédéric Chopin‘s opus 64 and the companion to the Minute Waltz (Op. 64, No. 1). It was dedicated to another queen of the Paris salons – Baroness Charlotte de Rothschild, wife of the famous banker and art patron Nathaniel. The C sharp minor Waltz is also a masterpiece in its category – a gem of poetry, expressed in a concise, essential way.