Fondazione Pergolesi Spontini
Established in Jesi in 2000, the Foundation organises an annual international festival dedicated to Pergolesi and Spontini. It promotes performances of their works and prepares scholarly editions based on critical standards.

The Pergolesi Research Center
A centre for research and documentation, formerly the promoter of the Giovanni Battista Pergolesi Complete Works Edition (1977–). Now hosted by the City University of New York, it houses an extensive microfilm archive of Pergolesi manuscripts.

Centro Studi Giacomo Puccini
It promotes research on Puccini, his local milieu, the music of his time, and the operatic theatre from the fin de siècle and beyond. It publishes Studi pucciniani and supports the National Edition of the Works of Giacomo Puccini.

Centro Studi Luigi Boccherini
Established in Lucca in 2005, it supports research projects, scholarly publications, academic seminars, training initiatives, and outreach activities concerning Boccherini, his oeuvre, and the music of his era.

Fondazione Donizetti
A documentation centre hosting a specialised library at the Teatro Donizetti in Bergamo. It collects bibliographic, archival, musical, iconographic, and audio sources related to Donizetti’s life and works, and promotes the National Edition of his Works.

Istituto Nazionale di Studi Verdiani
Founded in Parma in 1959, it is the leading institution for research on Verdi. It publishes monographs and periodicals, organises conferences, exhibitions, and scholarly events, and provides expert support for the Verdi Festival.

Varianti all’opera
Provides critically verified editions of librettos by Mariani, Federico, Metastasio, Goldoni, and Verazi, based on printed editions and manuscript scores (including works by Pergolesi). It enables users to identify textual occurrences and variants.

Pietro Metastasio, Drammi per musica
The site offers reliable editions of 26 drammi per musica by the imperial poet, along with access to 141 authorised or promoted redactions of these works.