Listen to Vivaldi: Concerto for Strings and Continuo in B minor, R.168 - 1. Allegro online. Vivaldi: Concerto for Strings and Continuo in B minor, R.168 - 1. Allegro is an Unknown language song and is sung by Venice Baroque Orchestra and Andrea Marcon. Vivaldi: Concerto for Strings and Continuo in B minor, R.168 - 1. Allegro, from the album Eternal Classical: Vivaldi, was released in the year 2020. The duration of the song is 2:09. Download Unknown songs online from JioSaavn.