Listen to Don Quixote, Op. 35: Variation V. The Knight’s Vigil online. Don Quixote, Op. 35: Variation V. The Knight’s Vigil is an Unknown language song and is sung by Philharmonic-Symphony Orchestra of New York, Sir Thomas Beecham, Alfred Wallenstein, René Pollain and Michel Piastro. Don Quixote, Op. 35: Variation V. The Knight’s Vigil, from the album R. Strauss & Bloch: Don Quixote - Violin Concerto, was released in the year 2021. The duration of the song is 3:58. Download Unknown songs online from JioSaavn.