W adys aw ele ski (1837-1921) composed the Twenty-five Preludes in two, three or four parts for organ or harmonium in 1881. He provided them with precise directions concerning interpretation, in other words he described the character and indicated tempo, phrasing, articulation and dynamics as well as fingering. Since the preludes were composed, many changes have occurred in musical performance and thus some interpretative indications and dynamic signs, which referred more to the now rarely enco...