Linked from
The 15 pages that link to Scat singing, each with the reason it gives.
ImprovisationBroader topic: Scat made the voice an instrument for spontaneous melodic invention.
SingingBroader topic: Scat turns the voice into an instrument for improvisation.
Sound poetryRelated: It shares sound poetry’s use of voice without ordinary lexical meaning.
LyricsBroader topic: It replaces predetermined words with improvised syllabic sounds.