Soul on Soul:: The Life and Music of Mary Lou WilliamsFirst time in paperback and e book! The jazz musician composer arranger Mary Lou Williams spent her sixty year career working inand stretching beyonda dizzying range of musical styles. Her integration of classical music into her works helped expand jazz's compositional language. Her generosity made her a valued friend and mentor to the likes of Thelonious Monk, Charlie Parker, and Dizzy Gillespie. Her late in life flowering of faith saw her embrace a