It is not known when Mozart completed his concerto for two pianos in E-flat major, K.365/316a, but research by Alan Tyson shows that cadenzas for the first and third movements are written in his and his father's handwriting on a type of paper used between August 1775 and January 1777 . Publication date 1957 Related Work Mozart, Wolfgang Amadeus, 1756-1791. Concertos, piano, orchestra. Selections. Publisher Number Peters edition 6021 Mozart was known to hastily reuse his own music to fulfill uninteresting or time-sensitive obligations, but in this instance it seems he was left with little choice but to compose an entirely new serenade and send it to his father as it was completed. Find & buy the right laptop, tablet, desktop or best server. ️Build your own PC today or call our sales team ☎ 1-855-2-LENOVO (1-855-253-6686) Shop Online for DVDs, Blu-rays, Games, CDs & Vinyl, Electronics, Books & more in South Africa. Courier delivery to door, with a focus on great service.