By David Sands. July 29, 2015. Peter Ceteraâs many talents should be readily apparent to those familiar with his powerful contributions to the beloved brass-laden rock band Chicago. His distinctive tenor vocals and memorable bass work helped the group secure its own special place in the rock and roll imagination.
Ancestry refers to a personâs ethnic origin or descent, roots, or heritage, or the place of birth of the person or the personâs parents or ancestors. Topics Population
Generation. in demography, a term referring to people born in the same year. (The term âcohortâ is also used.) The interaction and succession of generations constitute the age structure of a society. The term âgenerationâ is also applied to a stage or step in descent from a common ancestor (grandfather, father, son, and so forth), with the interval between steps usually reckoned at 30 years.