Listen to Concerto in E-Flat Major "Dumbarton Oaks": I. Tempo giusto online. Concerto in E-Flat Major "Dumbarton Oaks": I. Tempo giusto is an Instrumental language song and is sung by Rudolf Barshai and Moscow Chamber Orchestra. Concerto in E-Flat Major "Dumbarton Oaks": I. Tempo giusto, from the album Rudolf Barshai. Collection, was released in the year 2019. The duration of the song is 5:23. Download Instrumental songs online from JioSaavn.