Information:  - Not to be confused with the `` Flower Duet '' ( Il cannone del porto ! ) from Giacomo Puccini 's opera Madama Butterfly The `` Flower Duet '' ( French : Duo des fleurs / Sous le dôme épais ) is a famous duet for sopranos from Léo Delibes ' opera Lakmé , first performed in Paris in 1883 . The duet takes place in act 1 of the three - act opera , between characters Lakmé , the daughter of a Brahmin priest , and her servant Mallika , as they go to gather flowers by a river . The duet is frequently used in advertisements and films and is popular as a concert piece . It was adapted for the theme `` Aria on air '' for the British Airways `` face '' advertisements of the 1980s by music composers Yanni and Malcolm McLaren . David Usher used a sample of the record in his 2001 song `` Black Black Heart . ''  - Lakmé is an opera in three acts by Léo Delibes to a French libretto by Edmond Gondinet and Philippe Gille.  - Le roi l'a dit ("The King Has Spoken") is an opéra comique in three acts by Léo Delibes to a French libretto by Edmond Gondinet. It is a lively comedy, remarkably requiring 14 singers  six men and eight women. The libretto had first been offered in 1871 to Offenbach; the title also went through various permutations ("Le Talon rouge", "Si le Roi le savait", "Le Roi le sait") before settling on its final name. The 1885 revival brought further modifications to the libretto.   - Edmond Gondinet (7 March 1828  19 November 1888) was a French playwright and librettist. This author, nearly forgotten today, produced forty plays of which several were successful. He collaborated with Alphonse Daudet and Eugène Labiche, among others.  - Clément Philibert Léo Delibes (21 February 1836  16 January 1891) was a French composer of the Romantic era (18151910), who specialised in ballets, operas, and other works for the stage. His most notable works include the ballets "Coppélia" (1870) and "Sylvia" (1876), as well as the operas "Le roi l'a dit" (1873) and "Lakmé" (1883).    Given the information, choose the subject and object entities that have the relation of 'librettist'.
A:
flower duet , edmond gondinet