The descriptive note comes from item 579a in :
A guide to the music of Latin America
Second edition, revised and enlarged
By Gilbert Chase
Washington, DC: Pan American Union, General Secretariat, Organisation of American States, 1962, 411 p.
This is what Gilbert Chase had to say:
Musical education and musical activity in Cuba decried as "reactionary." Portraits of Cuban composers
© Gilbert Chase
(c) 2020. Frank Greene. All rights reserved.