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.
. To Sir With Love  is the theme from James Clavell 's 1967 film To Sir, with Love. The song was written by Don Black and Mark London, husband of Lulu's longtime manager Marion Massey. Mickie Most produced the record, with Don Leander arranging and conducting. In her recording, Lulu makes notable use of melisma.