The descriptive note comes from item 1465 in :
Diamond, Harold J.
An annotated guide to the literature
New York: Schirmer Books, 1991, 716 p.
This is what Harold J. Diamond had to say:
The Piano Concerto, Four Piano Blues: No.1, The Young Pioneers, Piano Variations, Piano Sonata, Piano Fantasy discussed.
© Harold J. Diamond
(c) 2019. Frank Greene. All rights reserved.