Janet Montgomery

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The purported migrations that have formed the peoples of Britain have been the focus of generations of scholarly controversy. However, this has not benefited from direct analyses of ancient genomes. Here we report nine ancient genomes (∼ 1 ×) of individuals from northern Britain: seven from a Roman era York cemetery, bookended by earlier Iron-Age and later(More)
Migration within the Roman Empire occurred at multiple scales and was engaged in both voluntarily and involuntarily. Because of the lengthy tradition of classical studies, bioarchaeological analyses must be fully contextualized within the bounds of history, material culture, and epigraphy. In order to assess migration to Rome within an updated contextual(More)
The major components of human diet both past and present may be estimated by measuring the carbon and nitrogen isotope ratios (δ13C and δ15N) of the collagenous proteins in bone and tooth dentine. However, the results from these two tissues differ substantially: bone collagen records a multi-year average whilst primary dentine records and retains time-bound(More)
  • Michael Mentzel, Carmen Balthrop, Michael P Hewitt, Seppo Iso-Ahola, Marcia Marinelli, Janet Montgomery +3 others
  • 2016
Instructional methods employed by teachers of singing are mostly drawn from personal experience, personal reflections, and methods encountered in their own voice training (Welch & Howard, 2005). Even in Academia, singing pedagogy is one of the few disciplines in which research of teaching/learning practice efficacy has not been established (Crocco, et al.,(More)
New evidence for cattle husbandry practices during the earliest period of the southern Scandinavian Neolithic indicates multiple birth seasons and dairying from its start. Sequential sampling of tooth enamel carbonate carbon and oxygen isotope ratio analyses and strontium isotopic provenancing indicate more than one season of birth in locally reared cattle(More)
  • Nicole Aldrich, Edward Maclary, Edward Maclary, Janet Montgomery, Martha Randall, James Ross +1 other
  • 2011
One of the most challenging concepts of vocal technique is registration. In classical Western singing, noticeable changes of timbre over the course of a singer " s vocal range are considered undesirable, and much effort is spent in learning how to eliminate these " breaks. " Faults in vocal registration can cause unevenness of tone quality, lack of(More)
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