This work investigates the structural and dramatic evolution of Handel's opera seria within the context of 18th-century musical conventions. Winton Dean, a prominent musicologist, utilizes his extensive research into Handel's scores and contemporary performance practices to argue that Handel's approach to the genre was both innovative and deeply rooted in the dramatic requirements of his time. The text synthesizes historical analysis with musicological critique to provide a comprehensive overview of Handel's operatic output.

Scholars and music historians frequently cite this text as a foundational resource for understanding the complexities of Handel's dramatic works. Readers often note the academic density of the prose, which is tailored toward students and professionals in the field of musicology.