Brandenburg Concertos had composed over a number of years while Kapellmeister at Köthen, and possibly extending back to his employment at Weimar (1708–17). Bach's dedication to the Margrave was dated 24 March 1721. Translated from the original French, the first sentence of Bach's dedication reads: As I had the good fortune a few years ago to be heard by Your Royal Highness, at Your Highness's commands, and as I noticed then that Your Highness took some pleasure in the little talents which Heaven has given me for Music, and as in taking Leave of Your Royal Highness, Your Highness deigned to honour
Piano concertos by Wolfgang Amadeus Mozart orchestra" rather than the more obviously "piano" concertos of the nineteenth century (e.g., that of Grieg etc.). Because Mozart was developing the form of his concertos as he wrote them and not following any preconceived "rules" (apart, presumably, from his own judgement of taste), many of the concertos contravene one or other of the generalisations given above. For example, K. 488 in A major lacks new expositional material, and "merely" repeats the preludial material; further, it effectively merges the first ritornello and the middle section, as does K. 449 in E. Several of the later concertos do not hesitate to