If you mean the film then there is no specific reason relating to it. It was originally one of Ian Fleming's first Bond books, it was quite a short novel and was rather popular at the time. However...
Si hablas del parte where they walk into the dinner party and that cool accordion techno song is playing, then hablas de la cancion "Regresa" by Jaime Cuadra
Quantum Of Solace Script.
I don't think you can find the script for Quantum Of Solace unless you happen to know Neal Purvis, Robert Wade or Paul Haggis, who did the screenplay for Quantum Of Solace....