Given the question: Given the following passage  "Baroque music is characterized by the use of complex tonal counterpoint and the use of a basso continuo, a continuous bass line. Music became more complex in comparison with the songs of earlier periods. The beginnings of the sonata form took shape in the canzona, as did a more formalized notion of theme and variations. The tonalities of major and minor as means for managing dissonance and chromaticism in music took full shape.",  answer the following question. Note that the answer is present within the text.  Question: We wouldn't have sonatas without?
The answer is:
canzona