Georg Kröll (born 1934), studied composition with Frank Martin and Bernd Alois Zimmermann, piano with Else Schmitz-Gohr - herself a student of Max Reger -, he also attended courses and lectures by Pousseur, Boulez and Maderna. His ‘Tagebuch’ consists of a series of short piano pieces, their key notes are based on a twelve-note series from Schönberg’s Suite for Piano Op. 25 and are reached via a series of permutations. ‘Just as one can, with a little imagination, see pictures in cloud formations,...