American Association for the Advancement of Science • Washington DC • Published In • Pages: 170-203 •
By Lomax, Alan
"Cohesive singing . . . occurs . . . more frequently . . . in stable and 'non toppy' communities than elsewhere" (187) Note that 'toppy' communities are those "in which either a complex or elite caste system or many levels of extra-local governmental authority split the community."