Listen to Waltz No. 7 in C-Sharp Minor, Op. 64, No. 2 (String Quartet Version) online. Waltz No. 7 in C-Sharp Minor, Op. 64, No. 2 (String Quartet Version) is an English language song and is sung by The Stradivari Orchestra and Baby Education Club. Waltz No. 7 in C-Sharp Minor, Op. 64, No. 2 (String Quartet Version), from the album Chopin, Mozart, Beethoven and Little Baby – Classical Songs with Composers, Classical Instruments for Your Baby, Capable of Kids, was released in the year 2016. The duration of the song is 2:58. Download English songs online from JioSaavn.