Of this solidary album, the tenor José Manuel Zapata explains that it is a "very strange musical fusion", a combination between opera and jazz and all this "mixed with 'pazzia', which is said in Italian, with the Madness of mixing these very different styles. The album is made up of many pieces of lyrical song covered in jazz and popular songs from the thirties and forties, thanks to the musical arrangements made by Pablo Martín Caminero and Daniel Oyarzabal.

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The benefits of "Operazza" are entirely destined for a social project of the Gomaespuma Foundation.