Full score versus 93% 'redacted' score (AUDIO) University of Cambridge Your browser does not support the audio element. Caption First, the full score is played by the Hebrides Orchestra. Then, after 1 min 51, the same piece is played by only 1 in every 16 notes remains - this represents the precipitous decline in the whale population since 1829. Credit Ewan Campbell Usage Restrictions With credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.