Which composers are noted as prominent figures of the Medieval period?

The identification of Leonin, Perotin, Machaut, and de Ventadorn as prominent figures of the Medieval period is accurate due to their significant contributions to the development of music during this era.

Leonin and Perotin were pivotal in the establishment of early polyphony at the Notre Dame school in Paris during the late 12th and early 13th centuries. Leonin is credited with developing organum, an early form of polyphony, while Perotin enhanced this with more complex textures and multiple voices, significantly evolving the compositional techniques of the time.

Machaut, who lived in the 14th century, is a crucial figure in the Medieval period due to his prolific output in both sacred and secular music. He is one of the first composers whose works are well-documented, and he is known for the development of the motet and the secular chanson, which helped to shape the transition towards the Renaissance style.

Bertran de Ventadorn, a troubadour, represents the secular aspect of Medieval music. His poetic and musical works are essential for understanding the cultural and linguistic identity of the time, as troubadour music often centered around themes of chivalry and courtly love.

In contrast, the other groups include