How did Claudio Monteverdi express the meaning and mood of poetry through music?

Claudio Monteverdi believed that music should serve as a powerful union with poetry, aiming to "move the whole man" by ensuring that music exactly matched the mood and natural declamation of the verse.1

To achieve this, he employed several techniques:

• Expressive Dissonance: Monteverdi used intense and prolonged dissonance to heighten emotional tension, often prioritizing the nuance of the text over traditional musical balance.1
• Flexible Recitative: In his operas, he developed a highly flexible and expressive recitative style. This was based on the natural, declamatory melody found in his madrigals, allowing him to capture various styles of speech and human emotion.12
• Dramatic Unity: He matched musical climaxes to dramatic ones, utilizing instrumental sonorities, vocal virtuosity, and harmonic tension to underscore the emotional weight of the narrative.1
• Thematic Essence: While he initially focused on expressing every detail of a poem, his mature style evolved to capture the "essence" of the verse, allowing for greater variety in emotion, including lightness and humor.1

Through these methods, Monteverdi successfully translated complex human character and emotion into music.2