The theorbo, a large lute with extended bass strings, was developed in Italy around 1590, representing a significant innovation in stringed instruments. This instrument allowed for greater harmonic depth and versatility in musical compositions, particularly in the Baroque period. The theorbo's unique design and sound contributed to the evolution of music during its time, influencing both performance practices and compositional styles.

The invention of the theorbo bass lute in 1590 provided a rich harmonic foundation for early opera and monodic songs, enhancing the emotional resonance of poetic texts. This instrument allowed composers and poets to explore deeper emotional landscapes, influencing the development of lyrical expression in music and poetry.