What ideas were presented in the foreword to Christoph Willibald Gluck’s Alceste?

The foreword to Christoph Willibald Gluck’s opera Alceste, written by his collaborator Ranieri Calzabigi, serves as a foundational manifesto for the 18th-century operatic reform movement.1

The document outlines several key principles aimed at restoring opera as a true drama set to music, rather than a vehicle for vocal display:

• Subordination of Music to Poetry: It asserts that the true office of music is to serve the poetry and advance the narrative.1
• Rejection of Ornamentation: The text criticizes the use of useless and superfluous ornaments, specifically targeting the florid da capo arias that often impeded dramatic action.1
• Emphasis on Simplicity and Truth: It advocates for a beautiful simplicity and naturalness of expression, prioritizing emotional truth over technical vocal embellishment.1

By aligning with Enlightenment ideals, these ideas sought to strip away the excesses of traditional opera seria to ensure that musical composition remained focused on the dramatic integrity of the work.1