chapter  5
Twenty Common Formulas
Pages 88

Ideally, a thorough analysis of the compositional structure of the blues would include a complete survey of all formulas discovered in the corpus. A more limited survey, however, would be less burdensome and certainly more practical. Describing the twenty most frequently employed formulas will show a common thread that links almost all blues songs, because there were few singers who did not employ at least some of these twenty formulas in their compositions.