pol·y·to·nal·i·ty 
(pŏl′ē-tō-nălĭ-tē)
(pŏl′ē-tō-nălĭ-tē)n.
Simultaneous use of two or more tonalities in a musical composition.
pol′y·tonal (-tōnəl) adj.
pol′y·tonal·ly adv.
- W(illiam) C(hristopher)
- (William) Clark
- William Clark
- William Clarke
- William Claude Dukenfield.
- William Cook.
- William Crawford
- William Cullen
- William Dean
- W(illiam) D(onald)
- William Dudley
- William Dwight
- William Edward
- W(illiam) E(dward) B(urghardt)
- William Ellery
- William Ewart
- William Felton
- William Ford
- William Frank, Jr.
- William Franklin
- William Frederick
- William Frederick
- William George
- William Gerald
- William H.