Found in articles
Harris (1969). The Ballad As Song. Berkeley: University of California Press. . Bronson, Bertrand Harris (1976). The Singing Tradition of Child's Popular
the singing of birds”. Philosophical Transactions of the Royal Society. 63: 249—291. doi:10.1098/rstl.1773.0031. Marler, P; M. Tamura (1962). „Song dialects
"Pete Seeger: How Can I Keep From Singing?" Website by Seeger biographer David Dunaway How Can I Keep From Singing?: A Seeger Family Tribute, Конгресна
Рецитатив
Liturgical Chant, Recitative, and Dán Díreach: a Pre-Medieval Narrative Song Tradition" on otago.academia.edu Singing Early Music – Speaking in Notes. Video discussing
„Song Celebration”. latvia.eu. Архивирано из оригинала 08. 06. 2021. г. Приступљено 14. 6. 2021. „Latvian Song and Dance Celebration – Uniting a Nation”