Listen to Concerto for Piano and Orchestra No. 1 in E-Flat: II. Quasi adagio online. Concerto for Piano and Orchestra No. 1 in E-Flat: II. Quasi adagio is an English language song and is sung by Walter Gieseking. Concerto for Piano and Orchestra No. 1 in E-Flat: II. Quasi adagio, from the album Watler Gieseking Plays Great Piano Concertos, was released in the year 2013. The duration of the song is 8:35. Download English songs online from JioSaavn.