Singing stars Max Emanuel Cencic, Philippe Jaroussky and Ernesto Tomasini explore the history of the castrato style of singing, which originated in Italy in the mid-16th century. Telling the stories of singers such as Farinelli, Senesino, Caffarelli and Carestini, the film includes contributions from, amongst others, Jochen Kowalski, Andreas Scholl, David Daniels and Daniel Behle.

The renowned Argentine pianist performs works by Mozart, Chopin, Ravel, Rachmaninov and Schumann at the 1982 Münchner Klaviersommer, accompanied by Nelson Freire, Nicolas Economou and Mischa Maisky.

A collection of live recordings of operas by Giuseppe Verdi, filmed at theatres in Liege, Palermo and Venice, and at the historical fortress of Tsaverets in Bulgaria. The operas featured are: 'Attilla', 'Luisa Miller', 'Il Travotore', 'La Traviata', 'Simon Boccanegra' and 'Falstaff'. The soloists featured include Orlin Anastasov, Ventsalav Anastasov, Darina Takova, Cinzia Forte, and Ruggero Raimondi.

A performance of the Verdi opera, filmed at the Gran Teatre del Liceu, Barcelona in 2003, with Miguel Angel Gomez Martinez conducting.

Pianist and composer Friedrich Gulda is joined by jazz legends Chick Corea and Herbie Hancock and Cypriote pianist Nicolas Economou for two sets of classical and jazz improvisations recorded live at the Münchner Klaviersommer festival in 1982 and 1989.

Benjamin Britten's final opera, written between 1971-1973, recorded at Teatro La Fenice in Venice in 2008. Bruno Bartoletti conducts, while there are performances by Marlin Miller, Scott Hendricks and Alessandro Riga.

American organist Gary Verkade plays all of John Cage's works for organ: 'The Harmony of Maine', 'Souvenir', 'ASLSP', and 'Organ2/ASLSP'. Also included is a bonus performance of the composition '4'33'.