Who was the chief form of Italian secular music in the Renaissance?

The chief form of Italian secular music during the Renaissance was the madrigal. This vocal music style often featured intricate counterpoint and expressive text setting, allowing composers to convey emotion and meaning through music. The madrigal became especially popular in the late 16th century, with notable composers like Claudio Monteverdi and Luca Marenzio contributing to its development. It was typically performed by small groups of singers, with an emphasis on poetry and human experience.