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 An omaggio is a musical term that the song is a celebration or tribute to something or someone.

In  Mo Li Hua the tribute is to the jasmine flower, this is expressed in the music and in the lyrics.

     

  Hǎo yī duǒ měi lì di mò li huā

Hǎo yī duǒ měi lì di mò li huā

Fragrant flowers filled the air,

Beautiful blossoms everywhere

Choose a blossom white and pure

Give to the one that you adore

Mò li huā, yā, mò li huā.                    

(This is the English translation)     

 here are the notes

While in Madam Butterfly it was Cho-Cho’s husband who expressing his devotion and tribute though his words, this is great irony but it is still an omaggio.

In a sense the whole play can be consider because its Puccini omaggio because it tributes to Japan. Most composers during Puccini’s life time wouldn't have considered or rejected.