This book documents the evolution and characteristics of Rumanian folk music during a specific historical period. It draws upon the extensive research and collections of Béla Bartók, a pivotal figure in ethnomusicology, and is further curated by Benjamin Suchoff. The work likely explores the regional variations, instrumentation, and stylistic developments within Rumanian folk traditions between 1967 and 1975, offering an analytical perspective on the music's cultural significance and its transformation over time.

This work is positioned as a scholarly examination of Rumanian folk music, leveraging the foundational research of Béla Bartók. Its focus on a specific historical period and its scholarly curation suggest a text intended for academics, ethnomusicologists, and serious students of world music. The inclusion of Bartók's extensive archives indicates a deep dive into primary source material, likely offering detailed analysis and potentially transcriptions or musical examples.