Listen to Concerto for Guitar and Strings "Megaron": III. Adagio online. Concerto for Guitar and Strings "Megaron": III. Adagio is an Instrumental language song and is sung by Artyom Dervoed, Rustem Abyazov and Kazan Chamber Orchestra La Primavera. Concerto for Guitar and Strings "Megaron": III. Adagio, from the album Koshkin: Concerto for Guitar and Strings "Megaron" (Live), was released in the year 2019. The duration of the song is 12:25. Download Instrumental songs online from JioSaavn.