 The other sets, excluding K. 611, were written between December 1787 and 1791, during which Mozart also wrote well known pieces such as Symphonies 40 and 41, and his opera "Così fan tutte".These were mostly written in sets of six, with one set of four and one of twelve.Mozart composed this set of three "Teutsche" (German Dances) in the early months of 1791.