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.
Semoga Bahagia is a Malay song composed by the famous composer Zubir Said. Zubir Said also composed many other songs, among them Majulah Singapura which was adopted as the National Anthem of Singapore. Semoga Bahagia is the official Children's Day song in Singapore, celebrated on the first Friday of October.