Instruct: Classify an Amazon review into positive or negative sentiment.
Query: The foundations of regional West African sound

Ruth Stone provides a narrowed and scholarly focus in chapters which consider call and response patterns, layered tones in vocal structures, and underlying polyrhythms, using specific quotes and examples from Liberia's Kpelle performers.Intended as a case-study volume for college-level users referencing the Global Music Series master volume THINKING MUSICALLY.