Listen to Concerto No. 2 for Guitar and Strings, Op. 394: II. Allegro giusto online. Concerto No. 2 for Guitar and Strings, Op. 394: II. Allegro giusto is an English language song and is sung by Royal Scottish National Orchestra. Concerto No. 2 for Guitar and Strings, Op. 394: II. Allegro giusto, from the album Best of Armenian Classical Music, was released in the year 2014. The duration of the song is 4:35. Download English songs online from JioSaavn.