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.
 I See the Light  is the love theme from Disney's 2010 animated feature film, Tangled. It was written by composer Alan Menken and lyricist Glenn Slater. A duet, the song was recorded by American singer and actress Mandy Moore and American actor Zachary Levi in their co-starring film roles as Rapunzel and Flynn Rider.