May 10 , 1888, Piotr Ilyich Tchaikovsky attended the Maly Theatre in Moscow to a representation of Renés Datter Kong (" The Daughter of King Rene ") , one-act play of the Danish playwright Henrik Hertz. Very moved by the young actress who plays Iolanta , he decided to adapt the play into an opera and load his brother Modeste to write the libretto . Founded in St. Petersburg in 1892, Iolanta is the last opera composed by Tchaikovsky. The booklet describes the fate of Iolanta , daughter of King René of Provence . It is blind, but his father wants him we hide this state, until one day ... This opera is an ode to the unconditional love that comes from the only blind perception of the other , necessarily heavy theme significance in a affectivity also be tormented Tchaikovsky . Of great drama despite its brevity strength, this book offers music as moving as sumptuous . It is an event , the light Anna Netrebko , a true icon of opera , sung on this occasion for the first time in Monaco.