Sergei Rachmaninov ： Prelude gis-moll Op.23-9

With restless figuration and a tense, sharp-edged character, this prelude demands great precision. The pianist must maintain finger independence at speed, keeping the notes even while clarifying the harmonic direction. The main challenge is not being swept away by the tempo, but organizing accents and changes of voicing clearly. Compact yet dense, it tests technical accuracy, rhythmic stability, and nervous intensity.