Volume changes of the lifting gas due to temperature changes or to changes of altitude are compensated for by pumping air into internal ballonets (air bags) to maintain the overpressure. Without sufficient overpressure, the blimp loses its ability to be steered and is slowed due to increased drag and distortion.
Maurice Jarre The publisher credits Barry Devorzon and Perry Botkin with composing Nadia's Theme. Maurice Jarre.
âJohn Williams on writing the Main Title. The Star Wars Main Title is the theme played at the beginning of eight of the nine theatrically released Star Wars films and almost every other piece of Star Wars media (video games, TV series, etc.). It was composed by John Williams and performed by the London Symphony Orchestra.