24 Preludes, arranged in the parallel order of Bach, rather than the relative order used by Chopin. Most pieces are two facing pages. Playing levels required vary from intermediate to advanced. Modern

25 etudes for piano solo, using each of the intervals from the minor second to the tritone, and their inversions, singly and in all combinations. Symmetrical and mirror-fingered passages throughout. Black

Seven short modern pieces, accessible for the intermediate student or experienced performer who is unfamiliar with contemporary piano repertoire. #1 uses wide leaps and clusters, #2 has rapid single notes

9 medium-length pieces at the advanced intermediate level. Mirroring and symmetry, as well as traditional melodic/harmonic structures used throughout. Suitable for recitals. Audio is Intermezzo in Bb

 The original Hanon is still used to give classical pianists experience playing materials they are likely to encounter in their repertoire. BeBop Hanon does the SAME thing, only using the shapes,