Tonus Peregrinus: The History of a Psalm-tone and its use in Polyphonic Music

The book delves into the historical significance of the tonus peregrinus, a unique psalm-tone, and its influence on polyphonic music across various Western liturgical traditions. It traces the enduring use of this melody from the ninth century to the twenty-first century, highlighting its relevance in contemporary music theory and practice. Lundberg's investigation reveals the intricate connections between liturgical music and evolving musical forms, showcasing the tonus peregrinus as a vital element in the development of Western music.