Listen to Concerto for Violin and Organ: I. Grave - Allegro moderato online. Concerto for Violin and Organ: I. Grave - Allegro moderato is an Instrumental language song and is sung by Mikhail Vaiman and Nina Oksentian. Concerto for Violin and Organ: I. Grave - Allegro moderato, from the album Mikhail Vaiman: Selected Recordings, Vol. 1, was released in the year 2005. The duration of the song is 12:51. Download Instrumental songs online from JioSaavn.