Listen to Don Quixote, Op. 35: II. Thema. Mäßig online. Don Quixote, Op. 35: II. Thema. Mäßig is an Instrumental language song and is sung by Mstislav Rostropovich, Boris Simsky, Dmitri Shebalin, Kirill Kondrashin, Moscow Philharmonic Symphony Orchestra and Moscow Philharmonic Symphony Orchestra. Don Quixote, Op. 35: II. Thema. Mäßig, from the album Young Slava, was released in the year 2017. The duration of the song is 1:08. Download Instrumental songs online from JioSaavn.